C O N S E I L P E R M A N E N T I N T E R N A T I O N A L P O U R L ’ E X P L O R A T I O N D E LA M E R Zooplankton CRUSTACEA Sheet 109 DECAPODA: LARVAE IV. CARIDEA Families :Pandalidae and Alpheidae (BY D. I. WILLIAMSON) 1967 IOC 1, ?Plesionika martia. 2, Pandalina breuirostris. ( 3 , P . profunda, not illustrated.) 4, Dichelopandalur bonnieri. 5, Pandalus propinquus. 6, P . montagui. 7 , P . borealis. 8, Athanas nitescens. 9, Alpheus glaber. 10, A . macrocheles. a, lateral view of last or penultimate zoeal stage. b, dorsal view of tclson, stage I. c, dorsal view of eye and front of carapace>te zoeal stage. d, end of 5th leg, late zoeal stage. Scale-line represents 1 mm after SARS,10 after LEBOUR, in relation to fig. 8 a, about 2 mm in relation to all other lateral views. (4-6 after PIKE,7 after BERKELEY,~ remainder original.) 5 Alpheus Fabricius 1907, Figures 14 R, 18 (zoeal stages from Stage 111, as 9. A. glaber (Olivi). Stage I about 2.8 mm, last zoeal stage about 9 mm. COUTI~RE, A. ruber). H. C. WILLIAMSON, 1915, Figures 107-107 B (zoeal stages from Stage 111, after Lo BIANCO and COUTI~RE, as A. ruber). LEBOUR, 1932, P1. I, Figure 2 ; P1. 11, Figures 4,18; P1. 111, Figures 7,8; P1. IV, Figures 1, 3, 5, 7, 9-15 (zoeal stages and megalopa, as A . ruber). 10. A . macrocheles (Hailstone). Stage I about 2.4 mm, last zoeal stage about 8.5 mm. LEBOUR,1932, P1. I, Figure 3; P1. 11, Figures 5-17: 19; P1. 111, Figures 1-6,9; PI. IV, Figures 2, 4,>6,8 (zoeal stages and megalopa). DISTRIBUTION OF ADULTS Region Species Gulf of Bothnia, Gulf of Finland. .. Baltic proper.. . . . . . . . . . . . . . . . . . . 6 Belt Sea. ....................... Kattegat ........................ Skagerrak ....................... Northern North Sea.. ............ Southern North Sea.. ............ English Channel. ................ Bristol Ch., Irish Sea, S. W. Scotland Faroe, Shetland, N. Scotland.. .... Faroe-Iceland Area.. ............. W. Ireland and Atlantic.. ........ Bay of Biscay.. .................. Barents S e a . . ................... Norwegian S e a . . ................ (2), 6, (8) 2, 6, (7), 8 2,6, 7, 8 2, 6, 7, 8 2, 6, (8) 2,6, 8, 9, 10 2, 4, 5, 6, 8, 9 2, 3, 4, 5, 6, (7) 4, 5, 6, 7 1, 2, 3, 4,5, 6, 8, 9 1, 2, 33, 4, 5, 8, 9, 10 3, 6, 7 2, 3, 4, 5 , 6 , 7, (8) REFERENCES BERKELEY, A., 1930. Contr. Can. Biol. Fish., 6: 1-85. BOURDILLON-CASANOVA, L., 1960. Rec. Trav. Stn. mar. Endoume, 18: (30) 1-286. H., 1907. Bull. (30), Mus. octanogr. Monaco, COUTI~RE, 104: 1-70. GURNEY, R., 1942. “Larvae of Decapod Crustacea”. Ray Soc. Lond., 306 pp. LEBOUR, M. V., 1932. Proc. 2001. Soc. Lond., 1932: 463-369. LEBOUR, M. V., 1940. J. mar. biol. Ass. U.K., 24: 239-252. PIKE, R. B. & Williamson, D. I., 1964. Crustaceana, 6: 265-284. SARS,G. O., 1900. Rep. Norw. Fishery mar. Invest., 1: (3) 1-45. SARS,G. O., 1906. Arch. Math. Naturv., 27: (10) 1-29. STEPHENSEN, K., 1912. Vidensk Medd. dansk naturh. Foren.. 64:57-134. STEPHENSEN, K., 1916. Meddr Grsnland, 53: 229-378. STEPHENSEN, K., 1935. Meddr Granland, 80: (1) 1-94. WEBB,G. E., 1921. J. mar. biol. Ass. U.K., 12: 385-417. WILLIAMSON, D.I., 1957. Fich. Ident. Zooplancton, 67: 1-7. H. C., 1915. Nord. Plankt., 18, VI Decapoden, WILLIAMSON, I Teil (Larven) 315-588 pp.