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(1)Polychaetous. Annelids. from. Manazuru,. the. Kanagawa. intertidal. zone. of. Prefecture*. By. 班inoru. (Department. Zoology,. of. IMAJI班A National. Science. Museum,. Tokyo). and ′ヽ. Sigeo. (Biological lnstitute,. Faculty. GAMO Education,. of. 口niversity,. Tbe lowing on. the. JoHANSSON. 象っ. from. polychaetes. (1922, 1927) by. Hayama. the. eastern. part. and. IMAJIMA of. Yokoha皿a). Sagami. Sagami. IMAJIMA. have. been. Enoshima. by. Bay. from polychaetes from Misaki by. the. on. authors:. 1884),. in. annelids. polychaetous. National. Yokobama. IzuKA. HAYASHI. &. (1968). The. by. studies MARENZELLER. (1969),and. the. on. (1879,. HESSLE. (1902-1912),. (1917),. polychaetes. locations. above-mentioned. foト. the. are. in. all. Bay.. ℡o柑o 一.. ■. Bay. Ehoshima. ●. ①. Ⅱaya皿a. Sagami. Bay. Manazuru. Map *. biology. This of. study. 1. is. Polychaetous. Map. Mi 8石山ま. of Saga皿i. out carried Annelids. as. Bay,. showing. location. of. part of JIBP project, reporting inhabiting among algae marine. Manazuru. the. in the. classi丘cation intertidal. and zone･.

(2) 2. M.. The. present. tion. of the In. by. was. species. the. by. the. twenty-nine. from. recorded. the. 1.. of. author. in. July 1968 found. were. coasts. the. of. Harmothoe. identifica-. are. most. 1867. KINBERG,. imbricata. the. of them Honshu.. and. southern. MALMGREN,. Harmothoe. 1)I The. (Map. and. Mana-. the. near. Bay. author.. species. POLYNOIDAE Genus. part. senior. paci丘c. shore. rocky Sagami. junior. the. the. on. inhabiting. of polychaetes. collection. zone. western. made. collection. previously. the. collected. small. a. with. S. GAM6. and. intertidal. Labわratory,. were. materials. in the. algae. Marine. zuru. deals. report. marine. ･among. IMAJIMA. 1855. 1767). (LINNAEUS,. (Figs･ト3) IzuKA,. Harmotho占imbricata: p.. 55,fig.. The. body. de血ed The. 18;. has. 35. and. 39. to. 43,. of. to. Genus 2.. 1-4,. 1964,. The. segments･ situated. are. LePidonotus. to. gray. the. well peaks･. longitudinally. ′j?. 1816. GRUBE,. helotyPus. beneath. ventrally,. LEACH,. has. prostomium. from. LePidonotus. 1923,. FAUVEL,. i;. pl. 6,fig.. 35-36.. pp.. varies, mottled black. nearly Amakusa ; cosmopolitan.. to. uniformly pale Distribution: Akkeshi. 5,丘gs.. pl.. setigerous. eyes anterior 15 palrS Of elytra. the. or. Striped,. p.. liARTMAN,. T■be. peaks.. color. 1912,. IMAJIMA. 1877. (Fig･4) Polynoa. Elytra. 12. number brown,. chestnut. dorsum. elytral. transverse. a. of the. 10. long,. 15mmwideincluding. to. The. of color pattern is dark gray with. is. surface color. band. 25･. elytra an. smooth. white is there. each. segmellt,. parapodia.. kinds; spot. oval and. across. the. is of two. no. over. frings･. COrreSpOndillg. Hokkaido. to. Kyushu. ; Yellow. Sea,. Bering. Sea,. Okhotsk. Sea.. Japan. 3.. Lepidonotus. elongatus. MARENZELLER,. 1902. (Fig･5) LePidonotus 1964,. elongatus: pp.. is. one. the The tO. elytra.. Distribution: North. other. The. has. color. palrS.. 8, pl. 3,figs･ 1--4･ HARTMAN, 1964, p･. p. and. 48mm. to. the. scar･. elytral. 23. is. body. 1912,. IMAJIMA. helotypus:. The. the. Izu壬くA,. gymnonota:. Lepidonotus. 24-25.. OKUDA,. 1936,. pp･. 562-563,丘gs･. 1-2;. IMAJIMA. and. HARTMAN,. Sea,.

(3) Polychaetous. Figs. 二anterior ･dorsal Halosydna. 113,. end;. elytron.. Fig.. view.. of. Fig. KINBERG:. Chrysopetalum. section. imbricata. 5, LepidonotiLS. brevisetosa. ￣Figs･ 8-10,. 乳cross. Harmothoe 3,. body. from. Annelids. 4,. LINNAEUS. intertidal. :. LePidonotus. zone. 1,. entire helotypus. of. 6, anterior. JoHNSON:. parapodium. fror9. 8,. in. dorsal. entire. dorsal. entire. median. view;. animal, reglOn;. view. 7,. palea.. 2, in. 6-7,. parapodium.. in dorsal 10,. ;. animal, Figs.. ParapOdium. in. end,. Manazuru. animal, GRUBE:. MARENZELLER.･. elongatus. occidentale showing. the. view;.

(4) i. M.. body. The. arp. cirri. distally. to. almost. the. 12 small. many. Edeveloped. marglnS.. which. extend. neuJrosetae.. Tsukumo. B.a′y.. Halosydna. KINBERG,. 1855. brevisetosa. Halosydna. tubercles,. external. ceratophores. are. elytra. cylindrical the. along. papillae. Of. palrS. A血akusa,. to. Genus 4.. welli. of the. ends Hayama. Distribution.･. with. clavAte. have. and. The. wide.. studed. are. distributed, short. S. GAMeI. and. 2.5mm. and. ; they. SparSely. -hav.9. Dorsal. long. lto reniform. orbicular and. is lOmm. IMAJIMA. KINBERG,. 1855. (Figs･6-7) Halosydna. MARENZELLER,. nebulosa:. Halosydna. brevisetosa. is about. Length are､fringed. with. 1902,. IMAJIMA. :. Elytra. papillae,. short. their. Anterior. Hakodate. Genus 5.. have. Chrysopetalum. Alaska. Mexico,. to. many. developed,. Yellow. Sea.. 1864. EELERS,. 1864 1897. JoHNSON,. occidentale. with. consplCuOuSly. EHLERS,. Chrysopetalum. marglnS. external. is covered. surface. Island;. CHRYSOPETALIDAE. the. palrS;. upper. elytra. Ryukyu. to. 18. number. and. and micro macrotubercles. bornlike tubercles.. Distribution:. fIARTMAN,. and. 50mm.. 1. pl, 1,fig. 1964, p. 20.. p.∼ 567,. (Figs･ 8-10) ChrysoPetalum. JoIINSON, occidentale HARTMAN, 1964, and. IMAJIMA The. body. dorsum. is. in each. is. elongate,. entirely. by are. and. longer. the. serrations Hokkaido Distribution:. along. splnlgerS. With. Australia,. Siberian. to. Arctic. pp.. two. the. cutting. Eulalia. The. viridis. body. ∀ar.. in. viridis jaPanensis life. is. the. Neurosetae. 6,. both. figs. 17-19;. ends.. number. The 30. about. dorsal. group. are. heterogomph. are. edge. California. ; southern. to. Mexico,. western. Ocean.. Genus Eulalia. in. those. ones.. pl1. at. Paleae. paleae･. sizes;. lateral. Kyushu. tar)ered. slightly. WILLIAMS,. PHYLLODOCIDAE. 6.. 15, 16; PIT 5,figs1 9,figs. a-g. pl,. gold-colored. of. than. and. 161,. p.. 47-48,. elliptlCaland. covered. parapodium. broader. 1897,. ∀ar.. Eulalia. IMAJIMA. jaPanensis. IMAJIMA. dark. SAVIGNY,. green. and. IIARTMAN,. with. two. 1852 1817 and 1964,. HARTMAN, pp･. longitudinal. 1964. 63-64･. dark. bands･. The.

(5) Polychaetous. is. prostomium antennae･. The. four. Of. palrS. broader. and. it. conical;. tentacular. cirri. the. are. cirri Distribution:. has. ;. a. covered. the. z;one. second. small. with. are. 5. 1 Of frontal. palrS. There. papillae. is somewhat. one. cirri. two. and. ventral. dorsal. Manazuru. of. antenna. median. The. otbers･. intertidal. the. is densely. proboscis. than. ventral. from. Annelids. elongated. are. depressed lanceolate;. and. suboval. Shirikishinai,. Genus 7･. Hokkaido.. MALMGREN,. Genetyllis. 'tastanea. Genetyllis. 1865. (MARENZELLER,. 1879). (Fig･11) Carobia. MARENZELLER,. castanea. Genetyllis. Tbe of frontal The. deep. palrS. cirri. Of. are. Distribution: Sea. of. life･ one. tentacular. are. ventral. 8･. Nipponophyllum The. Nipponophyllum. body. nuchal. and. IMAJIMA. it has. two. dorsally. each. Red. palrS reduced.. distally･. tapers. Sea,. a. palr. processes. California,. the. back. to. reniform. ov.erlap. one. Distribution:. Of. from lobe. outer. the. and. another,. either. 9･. Odontosyllis. of. twice. is. Of they. a. a-b.. long. rounded The margln. the. as. WILLIAMS,. 1851. to. attached. inner. segment.. visible. are. thick. Odontosyllis undecimdonta. CLAPAR豆DE, IMAJIMA. (Figs･ 14-ユ･6). 1863 and. HARTMAN,. anterior two. palrS Of one. 1964. the and. Dorsal. ceratophores. Peninsula.. T.. by. covered. one.. posterior. third. ags.. completely. median. the. 14,. pl.. has. and a. as. the. 67,. p.. scales.. Kii. SYLLIDAE Genus. and. about. margln. to. dorsum. side. resembling. Hakodate. 1879). 1964,. antennae. developed;. well. (MARENZELLER,. is hexagonal. is. posterior. 1964. 1･2-13). the. and. frontal. arise. HARTMAN,. HARTMAN,. and. brown yellowish prostomium cirri. The. prostomium;. are. and and. and. japonicum. i･s. it has. margin;. cirri. fused. reniform. Australia,. IMAJIMA. NiPPonoPhyllum. jaPonicum. dorsal. reaches. are. Peninsula;. (Figs･. of. oval;. Okhotsk.. Genus. the. are. much且attened. cirri. Kii. to. is. prostomium. and. cirri. 65･. p･. two. 2.. 3,触.. pl.. 1964,. The. in. Segments. cordiform; Hokkaido. 127J.28,. pp.. HARTMAN,. and. red. antennae･. four. Dorsal. is. body. 1879,. IMAJIMA. castanea:.

(6) M.. IMAJIMA. S. GAM6. and. 1Z ･fie<1tl. ･-ミミ; ･■･･l′-■･. 1･･二･･--±ニ￣!! 1.I,.山..-†･￣ 1r,L ￣tp･-.▼■■++_一__.,.I t. ･-■■■■■-,...I ヽ●. Y￣-I-ぺ● -J■.,A-.. ノ{. J. ■-<＋1--.d?_:.:･-. 13. -L:..iiT,Lゝ■. ■-T■￣￣7Il= ■J.▲■■. ●■:.-1 J■_L. ll. I.)'･･･iL :･Lヨー■一-■･･-. ●･1･ L坦■■--･一■-↓ ･yL･▼■( ･￣-_--.･･lL■■.-.I_二.. :■■r-こ--.I-･--￣JAノ.-. ●. 'i･･-I-J'､ .･.二■■-＋･■. ■ミ･rl__■■■■■亡..･ -I.i･ノー-.. -◆p一-･一---￣￣￣■■ 14. 18. 21. 19 Fig.. ll,. 12J,3,. Figs. some. tentacular. Figs.. 14-16,. in. dorsal. Genetyllis. view;. (Trypanedenta) ponica. compound IMAJIMA:. reglOn,. in. superior. dorsal. 15,. jaPonicum dorsal. and. Odontosyllis. 19, anterior 22,. not. end,. parapodiu皿;. and. compound. (IIASWELL) inferior. in. shown,. IMAJIMA. 16,. parapodium;. seta;. view;. cirri. undecimdonta. taeniaformis 20,. 22. : (MARENZELLER) anterior : (MARENZELI･ER). castanea. N加onoPhyllum cirri. 20. :. 17,. compound in dorsal. Beta. anterior seta･ view;. 23, compound. dorsal. anterior. view. HARTMAN: Figs. end,. Figs･ 21, four seta･. in. end,. 12,. ; 13,. 14, in. view･. end. with. parapodium･ end,. Trypanosyllis. dorsal. segments. dorsal. anterior. 17-19, 20-23,. q山㌔. view;. TyPosyllis in. 18･･ nip-. median.

(7) 0dontosyllis. Polychaetous. Annelids. from. undecimdonta. IMAJIMA. and. 27,丘gs.. The at. two. of. The. more. margln. Of. margin. is. convex,. clgerS has. With small. is pale. four. to. the. across. Manazuru. of. 1964,. 114,. p.. 7. h,. 26,丘gs.. pl.. three. ciliary. bands. An. occipital且ap. arising. from. two. to. tbe丘rst. across. extends. i;･ pl.. bi白d. a. ln. plgment to. seg-. a. the. anterior. its anterior. are. fal-. compound. the. tip;. located. small. segment;･. Setae. plgmented.. terminating. appendages,. short. man一y. and. has. darkly. and. bands. transverse. dispersed,. dorsum.. smooth. dark. with. segments,. segment. second. yellow. reglOn. posterior. extending the. dorsum. the. of. intervals. ment,. HARTMAN,. zone. a-e.. color. spots.. intertidal. the. cutting. margln. serrations. Hokkaido. Distribution:. Genus 10･. Kyushu.. to. CLAPAR宜DE,. Trypanosyllis. Trypanosyllis. (TryPanedenta). 1864. 1886). taeniaformis (HASWELL,. (Figs･ 17-1･9) Trypanosyllis. (Trypanedenta). pl1 30,figs.. The has. body. two. is 30. long. region. of the. superior. 1966a,. 40mm. long;. to. fascicle,. of the margin,. cutting. whereas. appendages DistributioTt : Common Palau. a. with in. and. smooth. cutting. ､alter-. the. middle in the. falcate; has. and. inferior. segment and. 15, in. is longer. in the. setae. Japan. 25. thick. distally. the setal appendage the. are. falcigers,. each. and. cirri. numbering. 127-128,. pp.. a-i.. depressed. Dorsal. short, with annulations body. Setae are compound. 1964,. 45,. text一点g.. it is broadly bands.. HARTMAN,. and. 239-241,. pp.. transverse. shorter. Gulf,. IMAJIMA. :. and. part. the. have. IMAJIMA,. narrow. purple,. nately. on. h-k;. taeniafor7m's. part. serrations. fascicle. Sea,. Persian. of. the. margin.. Australia,. ; southeastern. Red. lslands.. Genus 11.. LANGERⅡANS,. TyPosyllis. Typosyllis. 1879. IMAJIMA,. nipponica. 1966. (Figs･ 20-23) TyPosyllis. largest. The parapodia;. it. dorsal. are. cirri. is dark. All the 15. IMAJIMA,. nipponica. because. segments. median. specimen. reglOn･. in. of. the. black. few. a. The. middle a. fascicle. long. of. l･2mm. and. The. of. ones. are. of the bidentate. inner. short. and A. composite. is green. setigerous. wall. triannulated,. body･. including. wide body. the色fth. in the. cirri alternate region. a-o.. segments･. dorsum. pigments. anterior. dorsal. the. it has. setigerous. 55,. text･丘g.. 60mm. green;. band. a. 167. of. yellowish. of. 266-268,. pp.. measures. consists. except. annulations bluntly conical;. 1966b,. most. long,. normal setae. segment. the. of. and. pharynx.. distinct. having parapodium between. 9. in and. is two.

(8) 8. M.. IMAJIMA. S. GAM6. and. lobes. Distribution:. Hokkaido. 12.. Kyushu.. to. TyPosyllis. MARENZELLER,. ehlersioides. 1890. (Figs･ 24-27) Typosyllis. The. 80. of. ment. has. the. posterior. 20. is. body. consists. with. IMAJIMA,. ehlersioides:. 25mm. to. loo. to. 35. pp･. and. 279-282,. text-丘g.. 1.5mm. wide. The. segments. band. chocolate-colored. part. about. long. setigerous. transverse. a. 1966b,. Dorsal. white.. cirri. Composite. annulations.. the. long a. it. parapodia;. dorsum. middle. have. setae. a-o.. including. with. alternate. 60,. of. anterior. each. part. pale. 70, and. with. about. short. appendage. seg-. and short an. with. tooth.. accessory. in. Common. Distribution:. 13.. Bering. Japan;. TyPosyllis. Sea.. IMAJIMA,. mom'lata. 1966. (Figs･ 28-30) TyPosyllis. is orange Dorsal. long. alternate. cirri. falcate. of. the丘rst. 24. appendages. 63, a-1.. including second. to a. with. Tsukumo. 14.. text-fig･. lmm. width. with. Misaki,. Distribution:. 286-288,. pp･. and. mm. dorsum. the. and. have. Setae. 20. is about. Length. 1966b,. IMAJIMA,. monilata. and 25 and. short. large. secondary. The. parapodia.. setlgerOuS. 16. with. body. is black.. Segment. 17 annulations.. to. tooth.. Bay.. TyPosyllis. hyalina. (GRUBE,. 1863). (Figs･ 31･-33) hyalina. TyPosyllis. dorsum. ･entire. the. setae. median. have. short. Bay. cirri. appendage. 15.. a. Sea,. North. Atlantic. okadai. long. okadai. :. IMAJIMA,. 1966b,. pp1. 268-270,. one. every. three. 14 annulations. with and. to. basaly. thickest.. tip. in. Hokkaido,. Ocean,. FAUVEL,. text-丘g･. Onagawa,. California･. 1934. (Figs･ 34-36) Typosyllis. The. parapodia.. on. annulated. bidentate. Matsumae,. and. TyPosyllis. occur. ll, and. with. distinctly. are. with. Shirikishinai. ; Mediterranean. short. they. a---k･. including. wide. bands;. alternate All. reglOn. a. Distribution: kumo. cirri. 57,. text･flg･. lmm. and. brown. broad,. has. 271=273,. pp･. long. lOmm. about. Dorsal. ･segments･ in. is. body. The. 1966b,. IMAJIMA,. :. 56, a-1･. Tsu-.

(9) polychaetous. Annelids. from. the. intertidal. zone. of. Manazuru. Aq. 3O. Z8. 3. 29. 36. 34. in dorsal MARENZELLER: 24, anterior 24-27, Typosyllis end, Figs. ehlersioides dorsal 26, parapodium long dorsalcirrus_; with short 25, parapodium view; with IMAJIMA: 28, Figs･ 28-30, TyPosyllis anterior 27, monilata cirrus; comp.ound seta. 31-33, TyPosyllis 30, compound in dorsal Figs･ 29, parapodium; seta･ end, vleW; ; 32, parapodium ; 33, co.mpound vleW hyalina (GRUBS) : 31, anterior end, in dorsal in dorsal 34, anterior γlew FAUVEL: ; 35, end･ Figs. 34-36, Typosyllis okadai seta. parapodium ; 36, compound seta･.

(10) 10. IMAJIMA. M.. Thep. the. dorsum. have. 10. 20mm. about. the. prostomium, 4 segments. The. is. bわdy. long. pa!pi and. are. 3. white∴then. is brown′witb. 15. to. of. Distribution. and. compound. Seto,. :. are. segments. are. chocolate. and. about. Hayama;. NEREIDAE Nereis. Dorsal. spots.. clear. body. the. as. Andaman. cirri. is wide.. lslands.. 1865. JoHNSTON,. Genus. the next chocolate, 2t brownish; the rest of. long. as. The. parapodia.. dark. of. rows. half. is unidentate. Gulf of Siam,. setae. including. wide. longitudinal. two. annulations. appendage. two. dark. are. GAME〉. lmm. and. Brst. the. S.. and. LINNAEUS,. 1758. ■. 16.. Nereis. LINNAEUS,. pelagica. 1761. (Figs･ 37-42) Nereis. pelagica. The. body. boscidial. 16. in. cones. has. a. the. on. Notopodial. Distribution. 17･. or. entirely homogomph. 3. rows. and. falcigers in. splnigers. of. the. in. 3. a. cones. oh.the. the. supra-acicular. ⅠⅠIhas. ineach. have. in. pro二. long-. a. rows;. 5cones row. row;. larger. of. oral 24. anterior. Neuropodia. inferior. in. tones. oblique to. tiny. splnlgerS. falcigers.. are. of 2 VIII. ⅤⅠI and. circle;. 2. irregular,. rows. The. short･. comparatively area I has. three. bomogomph. heterogomph. and. falcigers. a. and. side,. are. thereafter. splnlgerS. in. cones. maxillary. setae. segments,. gomph. 4. has. in. transverse. is subpentagonal. prostomium. follows:. cones. 8. The are. cirri as. 15. or. ⅠV has. 147-148.. pp,. long.. 50mm. to. arranged. 14. cluster; VI. none;. cones. are. ⅠI has. 1964,. peristomial. Of. paragnaths. line;. V. 40. palrS. itudinal. HARTMAN,. and. measures. four. the. and. IMAJIMA. :. side. or. so. homogomph. have. hetero-. and. position,. position.. Cosmopolitan.. :. Nereis. pelagica. IMAJIMA. multignatha. HARTMAN,. and. 1964. (Fig･43) Nereis. pelagica. This?pecies. half. paragnaths. in. the. ring.. of. and. Nereis resembles from the second. distinguished have. IMAJIMA. multignatha. oral. Distribution:. a. dense. to. 18.. 1964, in. pelagica follows;. as. transverse. Muroran. HARTMAN,. many. pp･. extending. areas across. it. but. characteristics,. proboscidial. band. 148-1491. VII the. and. is. VIII. posterior. Toba.. Nereis. nichollsi. KoTT,. 1951. (Figs･ 44-48) Nereis. nichollsi 11,Pl.2.. KoTT･. 1951･. pp･. 93-95,. text･fig･. 2a-k. ; IMAJtMA. and. HAYASHI,. 1969,. p..

(11) Annelids. Polychaetous. from. intertidal. the. zone. ll. Manazuru. of. A..LL,QT, ●. /. Illl●● .tL. J.'1.:I.I;: iY.I:. ＼＼. /∼. ㌔㌔ /二. ノ. Lt6;f･て: (･･ :l･:1･) I/. ＼-ヽ_. ＼亡. メ. Figs.. 37-42,. proboscis in ventral. gnal･ha. 44-48,. Nereis. paragnatbs,. showing view. view;. ;. 47,. anterior. LINNAEUS:. Pelagica in. paragnaths, 40, median. ; 42, homogomph IMAJIMA and. podium Figs.. showing. Nereis. parapodium from. falciger liARTMAN:. nichollsi in dorsal parapodium. dorsal. [A. J∠. 45. ;. ':)i 46. 38, 37, anterior view; end, in dorsal 39, ; paragnaths･ proboscis showing view heterogomph from neurosplniger ; 4l,. notopodium.. Fig･. showing proboscis KoTT: 44, anterior end, view. I. ; 46,. 48, posterior. proboscis. 43,. Nereis. in dorsal showing. parapodium･. Pelagica in. paragnaths,. view. multi-. ventral view･ ; 45, proboscis. paragnaths,. in. γentral.

(12) 12. . M. The. ing. largest. parapodia. broad. has. and. stomial. cirri. conical. teeth;. transverse. palrS. those. ligule. oneof. All paragnaths side. ring. in. notopodia median in posterior parapodium lobe;. it carries. the. peri-. closely. are. packed,. cones.. conical. the. at. rounded. than. proboscis. in. are.arranged. obtusely. are. the. of. distinct. are. includ-. wide. is slightly longer four the palrS Of. is prolonged. subrectangular. slender,. a. oral. all ligules. moreover,. cirrus;. form. 6.. 5mm. and. prostomium. maxillary. the. long. longest. segment. the on. parapodia. dorsal. a. dorsal. The The. eyes･ to. on. those. rows;. ever,. Of. back. 60mm. about. body･. anterior. extends. In anterior. far. the. two. S. GAM6. and. measures. specimen in. IMAJIMA. is. and. How-. tip. long. as. prolonged. base. dorsal. the. of. the. as. it is greatly. to. cirrus. out.. Distribution:. South. Misaki;. Genus 19.. Western. Australia.. Platynereis. Platynereis. KINBERG,. bicanaliculata. 1866. 1863). (BAIRD,. (Figs･ 49-54) Nereis. dumerilii:. Nereis. Platynereis. are. and. slender. and. of. 4. transverse. the. ends;. in the. parapodial. V;. :. 2. double,. each. Distribution. segment. has. are. or. broad,. 3. transverse. pectinate.. 17,. pl.. fig.S. 9111.. tentacular. oval. patch;. of. One. dark. or. two. setlgerOuS. Perinereis. KINBERG,. PerinereLIs. 2. long. lacks a. ⅤⅠI and more. 8. Segment. crescentic have. VIII rows. small. brown,. and. paragnaths. ⅠV has. rows;. of the. sides. are. cirri. proboscis. indications. the. over. patches. 1､he. from. present are丘rst Cosmopolitan.. 20.. a. with. Genus. dark The. 10-15.. III has. VI. paragnaths. notopodia. to. area. 5 rows;. rows,. and. bases.. back. 9;. 12, 13. pl. 17,figs, HARTMAN, 1964, pp, 152-153.. consplCuOuS. the. or. pl.. 7, 8.. 17,figs. 1,fig.. 1621163,. pp.. less. or. extend. pl.. 160-162,. pp･. IMAJIMA. :. I, ⅠI and. 158J.60,. pp.. 1912,. more. along. areas. group. IzuKA,. bicanaliculata. There body. 1912, 1912,. IzuKA,. agassizi: kobiensis:. Nereis. on. IzuKA,. 5 the. at. falcigers. simple to 10.. 1866. cultrifera (GRUBE,. 1840). (Figs･ 55-58) cultrifera:. The. peristomial. IMAJIMA. Perinereis. 5-ll. a. The. in. a. have. VI. has. slender. paragnaths. ⅠV has. continuous. are. ⅠI has. row;. rows;. triangle, two. cirri. proboscidial. longitudinal. transverse. fIARTMAN,. and. a. 16 single. transverse. and areas. in. cones to. 1964,. two. the. 152.. p-. longest. follows:. area. rows;. curved. 18 conesinabout3rows; transverse rows. cone. of. cones.. on. back. extends I has. each. 1. ⅠⅠIhas V side,. to. has and. 3. to a. segment. cluster. 3 small VII. in. cones. and. in 2 cones. VIII.

(13) Annelids. Polychaetous. lrom. the. intertidal. of. zone. 13. Manazuru. ･LI エー.T. 普. ､●. ( ＼. / 才. D(-し. ノ. /(一. -. ←へ. (7'AF7(-/7''jil. 49. 5 ㌔/＋. 冒 54. /. /∫. ///￣:=. LH. l■-. J＼. '･l ･I,LJ. +. ￣へ. 可 t. I. -. )r. ､. ￣ _)' ... 十 /メ/. JJ. J■●-. 56 51. ()i(. 1. ｢. # ＼＼`. 57. Figs. 50,. view;. proboscis in. paragnaths, falciger. simple view. ; 56,. paragnaths. Platynereis. 49-54,. view. Figs.. proboscis on. showing. ventral. areas. 55-58,. (BAIRD). bicanaliculata. in. paragnatbs, ; 52,. anterior Perinereis. paragnatbs showing VIトⅤⅠⅠⅠ ; 58, median. 49,. :. dorsal. view; 53,. ;. parapodium. cultrifera GRUBE on. areas. V. parapodium･. anterior. and. :. end,. in. dorsal. 51,. proboscis showing ; 54, median parapodium 55, anterior in dorsal end,. VI;. 57,. proboscis. showing.

(14) 14. M.. Distribution: dian. Oceans,. IMAJIMA. Honshu. and. 21.. Perin■ereis. S. GAM6. and. Kyushu;. Mediterranean. Sea,. Atlantic. In-. and. China.. brevicirris. (GRUBE,. 1869). (Figs･ 59-60) Nereis. IzuKA, 1912, p. mictodonta: IMAJIMA Perinereis brevicirris: and. The 1. 3. to. in. cones. longitudinal 3. of. triangle;. a. ⅤⅠI and. cones;. 3-4. Distribution:. 2. Honshu. mirabilis. The. cylindrical. tally. beyond. Those 7-8. farther. long,. back･. about. 3. in. anterior. the splnelets. and. DL'stributioyL:. Shimoda,. Seto. 23.. has. beyond. in. a. ⅠI. cone,. Para-. lobes.. decrease. b拍d. The. gradually is. articulation. slightly. dis-. cones.. dorsal. then. the. which. ends. one. 6. about the. are. paragnatbs.. has. l. Palpi extend. lacks. area. segments, in. and. slightly. book. with. edge.. ; Brazil,. EUNICIDAE Genus. and. extending. long. antennae. proboscis. IV. long.. as. wide. faded;. median. cutting. as. the. of. cones,. falcigers is. the. along. 4. cirri. have. appendage. ring. or. 141-142.. prostomial. sometimes. dorsal. Notopodia. beterogomph; delicate. ring. 1866. pp.. twice. The. oral are. slender. longest. are. The. ⅠⅠIhas. than. more. conical. 1866. 1964,. distally.. palpi･. maxillary. cones,. have. podia latter. diverge. and. the the. on. broad,. 凸at. or. Australia.. regions,. KINBERG,. BARTMAN,. has. V. group;. 10. to. many. cones.. KINBERG,. mirabilis. and. is. prostomium. long,. has. IMAJIMA. :. rows. Ceratonereis. Ceratonereis. 8. of Indo-Pacific. Kyushu;. and. Genus. Ceratonereis. 3 irregular. to. ⅠⅠIhas. cones;. triangular. of. row. I has. arrangement:. of. rows. dense. a. transverse. a. following. the. ⅠV has. 151.. p.. 3 oblique. each;. has. have. 22.. have. ⅠI has. cones. 1-6,. 1964,. proboscis. VI. VIII. 16,丘gs.. pl.. HARTMAN,. triangle;. a. rows. in. cones. the. on. paragnaths. 148,. Galapagos. SAVIGNY,. Lysidice. Lysidice. Mexico.. western. 1818. SAVIGNY,. collaris. lslands,. 1818. GRUBE,. 1870. (Figs･ 61-64) Lysidice. The The white. :. collaris. body. general. IMAJIMA. is 60 color. encircling. to. is. ring. and. liARTMAN,. 80.mm. long. dark on. red the. with second. 1964,. and. about. numerous. setigerous. pp.. 258-259.. 4mm. wide dispersed segment.. including yellow. The. parapodia. spots. prostomium. and. a. is.

(15) Annelids. Polychaetous. Jr4'ナ. ー----I---. from. intertidal. the. of Manazuru. zone. 15. ▲. ●l▲. 60. 61. 59. 65. 64 Figs1. 59-60,. Perinereis. breviciryis. (GRUBE). 68. 59,. proeverted anterior end with : 60, median Figs. 61164, Lysidice parapodium. collaris GRUBE view, 63, 61, anterior in dorsal 62, median 64, seta; end, parapodium; pectinate view; falciger. 65, anFig. : hooded, bidentate Arabella iricolor composite (MoNTAGU) boscis,. in dorsal. terior. end,. in. dorsal. in animal, GRUBE ehrenbergi entire. distinctly hooded,. bidentate. in. posteriorly.. 66-67,. Polyophthalmus. Picius. 67, posteriorend, in lateral in lateral view. animal,. front. composite. subacicular. Figs.. view;. entire. :. bilobed. bidentate. view.. lateral. :. hooks. has three and falcigers, and are丘rst. present. capillary at. about. setae. 68,. and. setiger. pectinate 21. and. :. 66,. Terebella. Parapodia. antennae.. slender. (DuJARDIN) Fig.. view.. have setae. continue. ;.

(16) IMAJIMA. M.. 16. Distribution:. Honshu,. Kyushu;. Red. Sea,. Indo-Pacific. HARTMAN,. ARABELLIDAE Genus 24.. S. GAME). and. Arabella. Arabella. 1944. GRUBE,. iricolor. reg10n･. 1850. (MoNTAGU,. 1804). (Fig･65) Arabella. iricolor:. IMAJIMA. In life the. dorsum. in丘Ⅹed. specimens.. transverse. row. are. limbate. simple. EARTMAN,. and. has The. 265.. p.. dark. 5 longitudinal. blue. is bluntly. prostomium its. along. 1964,. posterior. bands;. conical. there. margln;. no. at. the. MALMGREN,. OPHELIIDAE Genus 25.. Polyophthalmus. 4. in. eyes. Setae. appendages.. base. a. of the. wing.. 1867 1850. QuATREFAGES,. Polyophthalmus. indistinct. are. has. and. are. serrations and geniculate, with Common in Japan; cosmopolitan.. Distribution:. they. 1839). pictus (DuJARDIN,. (Figs･ 66-67) Polyophihalmus The. ♪ictus. is. the. convex,. groove spots. or. small. and. 1938,. has The. side.. streaks,. color in. various. Distribution:. few. Common. 27. a. 14.. single. 26.. Dasybranchus. caducus:. The. 2. to. branchiae, about. the. erior. edge. 14. have. consisting. twentieth of. abdominal. Thoracic capillary of. 1964,. slenderer. numerous. abdominal neuropodia.. are. eyes. Each. para-. setae.. in. pp.. 312-313,. Thorax. distinctly. are. notopodia. simple segment,. 1846). posteriorly.. segments setae. lateral. brown. 1850. (GRUBE,. ⅢARTMAN,. and. similar. of. absent.. of capillary. GRUBE,. caducus. and. cylindrical. Segments.. setlgerOuS. from. is. body. Dasybranchus. IMAJIMA. are. a. 1862. GRUBE,. Dasybranchus. The. dorsum. cosmopolitan. CAPITELLIDAE. ･. consisting. patterns.. Branchiae. is. 309.. p.. The there. and. variable,. fascicle. 1964,. segments.. groove,. dorsal. in Japan;. Genus. setigerous. extremely. 12 to has. HARTMAN,. and. longitudinal. a. numbering last. the. IMAJIMA. ;. for. is. arranged. indistinct,. 100. p.. long. 20mm. ventrum. each. except. podium. OKUDA,. is about. body. on. :. and. 丘1aments, located. near. consists. biannulate,. and. the. 丘rst. 13. those. Retractile. neuropodia. are. of. present. superior. and. from post-.

(17) Distribution:. fro皿tbe. Annelids. Polychaetous. Sagami. Bay. intertidal. Ryukyu. to. Islands;. TEREBELLIDAE. Polycirrus. 1964,. The. pp.. branchiae･ from. the. have. setae･. 1884,. γentral. by. a. Distribution:. smaller. tooth. The. p.. Misaki. to. from. last ll. the. setiger. and. of. ventral. gland. There. Notopodia and. without, 13; each. has. are. no. are. present. the. next. large. a. 2 fang. ones.. LEUCKART,. 1884,. 1849. MARENZELLER,. jaPonicus. 1884 4;. pl. 2,丘g.. 208-209,. pp.. so. IMAJIMA. HART-. and. ring branchial. in. single. tufts. on. from. present. first. are. are. brown. small. eyespots.. 4;. 2, 3 and. segments. Nephridial. rows.. tentacular丘1aments. distinct,. has. peristomial cirriform. The. consplCuOuS.. is coiled. Notopodia are or 13 segments. Uncini. arranged. 4 to. ments. 丘rst. Islands.. ThelePus. is not. The. are. branchial丘1ament. are. setiger. 2 smaller. Goto. Thelepus. lobe. grooved. 3 pairs. There. HART-. and. 350.. prostomial. deeply. IMAJIMA. slender.. palrS. 2. from. or. MARENZELI,ER,. 1964,. MAN,. 7;. the. as. and. setae,. first present. are. 28. jaPonicus. 1884. p】'･2,丘gs･. long. ll. have. 32. Genus. Thelepus. 209-210,. pp･. number. shields. segment;. Uncini. surmounted. 1850. MARENZELLER,. neruosus. as about and fi1amentous, numerous. are. second. 1867. GRUBE,. is large. The. cosmopolitan.. 348-349.. prostomium Tentacles. shield.. Polycirrus. MARENZELLER,. nerL,OSuS. MAN,. Polycirrus. 17. Manazuru. of. MALMGREN,. Genus 27.. zone. 3 and. segment from. present are. papillae. the. third on. present. each. absent. seg-. 7.. Distribution:. Misaki. to. Genus 29.. Islands.. Goto. Terebella. Terebella. LINNAEUS,. 1767. GRUBE,. ehrenbergi. 1870. (Fig･68) Terebella. Tentacles are. on. present. ment. and. Setae. are are. 1938,. are丘Iamentous,. continue very. slender. twisted.. and. Notosetae. eyespots.. posteriorly, and. Uncini. IMAJIMA. 102;. p.. numerous. 2, 3. segments. has. peristomium. ments. OKUDA,. ehrenbergi:. but. distally are. in. and. is. each. are are. first. dendritically. present. absent. serrated, single. Three. slender.. and 4;. HARTMAN,. and rows. on. from. 1964,. p.. Of branchiae. palrS. branched.. the. last 40. those. of. anteriormost. 5. The. fourth. the. from. segments. 346.. to. seg-. segments.. 10. seg-. and. the.

(18) 18. IMAJIMA. M.. last. 25. occur. segments, on. 3 and. segments. Distribution:. FAUVEL,. P.. IMAJIMA,. Seto. 1966b･ 14. M･. M. the. IzuKA,. K.. and. The. 30. (2):. 1-262,. H.P. Coast, 190,. P.. HARTMAN.. 1951.. ralia, MAR_ENZELLER,. OKUDA,. S･ 1936.. :. Indo-Pacific. France,. 5:. 12. regions.. 1-488,. from. Annelids). 219-252,. The. 181figs. IV,. Japan. Syllinae. (1).. text一丘gs･. from. Annelids) Polycbaetous. Pap.,. 1969.. V.. Japan. Syllinae. 26:. Seasonal. Proc.. (2).. of. Syst.. Zool.,. Species.. Parts. Japan.. polychaetes 5: 2J.5,. Marine. the. of. of. I, ⅠⅠ.. living. Proc.. Calif.. Tokyo. of the Sci., Zoo.,. Annelids Acad,. among. 3 pls.. Jour. Coll. S°i.. Japan.. of. Account New. Annelids 36 pls.. changes. Jap. Soc.. Polychaeta. of. 1-452,. Australia; of South western also notes and Eunicidae limestone Australian reefs. Jour. Roy. Soc. Western. Univ., Paci丘c :. 153-. on. the. 1. Aust-. 7丘gs.. E.Ⅴ. 1879. Kl,. S色djapanische Stidjapanische Japanese. de. Sea,. papillae. text･丘gs.. 24 pls. A Preliminary. Math･-Naturwiss.. Fau.ne. 14. Errantiate. Nereidae. 1884･. Cited. Occas.. HAYASHI.. of western 35: 85-130,. 1902.. LiteratⅥ.re. 1964,. Found.. Descriptions with pls. 5-10.. ecology. Red. Nephridial. segments･. other. (3) (Polychaetous. 16. GAMe1. Islands;. Lab･,. 253-294,. 1897.. 12.. (Polycbaetous. organisms.. 1912･. or. Errantes.. Syllidae :. on. Goto. Syllidae Biol･. attaching. A･. JoIINSON,. KoTT,. (4). 0. and Eancock. Allan IMAJIMA,. Marl The. Ibid･, IMAJIMA,. The. rows. ll. to. to. Polych占tes. 1966a･. Pub･. 6. Misaki. 1923.. M･. in double. and. S.. and. Anneliden. S也djapanische 41 (2) : 10911'54, 6 pls. Anneliden･. ⅠⅠ･Ibid･,. Anneliden.. III. Ibid.,. Commensal. Polynoids.. I.. 49. (2) :. 72:. Wiss.. Wien,. pls･ 1-4･ 3 pis. Japon., 15: 56ト571,. 197-224,. 563-582,. Annot.. Akad.. Denkschr.. Zool.. 7. 丘gs. 1938. Marine. Polycbaetous Biology.. Annelids. Japan.. Jour.. fro皿. Zoolリ8:. tbe. Vicinity 75-105,. of. 15丘gs.. the. Mitsui. lnstitute. of.

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