POLYCHAETE WORMS, PART 1 



155 



Platynereis dumerilii Fauvel, 1923, p. 359, fig. 141, a-/; 1953, p. 218, fig. lll.a-/; 



1955, p. 7; 1957a, p. 5; 1957b, p. 214.— Herpin, 1926, pp. 17, 39, 91, 112, 

 119.— Hartman, 1942a, p. 100; 1944a, p. 339, pi. 16, figs. 3, 7-8, pi. 23, fig. 

 2; 1944c, p. 17; 1945, p. 22; 1951, p. 47; 1956, p. 281.— Thorson, 1946, p. 67, 

 fig. 31.— St0p-Bowitz, 1948a, p. 62.— Wesenberg-Lund, 1949, p. 288.— Day, 

 1953, p. 429; 1960, p. 324.— Andrevv- and Andrew, 1953, p. 9.— Rasmussen, 



1956, p. 59.— Southward, 1956, p. 263.— Allen, 1957, p. 52.— Fauvel and 

 Rullier, 1957, p. 79; 1959, p. 52.— Rioja, 1958, p. 257.— Banse, 1959, p. 438.— 

 Clark, 1960, p. 20. 



Description. — Length up to 75 mm., width up to 6 mm., segments 

 up to 90. Body cyhncbical, tapered posteriorly. Prostomium (fig. 



— noLi (2) 



C ^ vC 



Figure 43. — Nercidae, Platynereis dumerilii: a, dorsal view anterior end; b, parapodium 

 from anterior region; c, parapodium from middle region; d, notopodial homogomph falciger 

 from middle region; e, neuropodial heterogomph falciger from middle region; /, everted 

 proboscis, dorsal view; g, same, ventral view; h, dorsal view anterior end of male heter- 

 onereid, bases of tentacular cirri only present. 

 569-457—63 11 



