158 AUT. II. A. IZUKA : 



Nereis Diiinerilii And. et M.-Edw. 



PL XVir, figs. 7—8. 



1834. Nereis Dumerilii, Anclouiu et Milue-Edwards. Eeclierclies poor 



servier a I'lnst. nat. du littoral de la France, Tom. II, j)- 196, 



PI. IV-A, figs, 10—12. 

 181:0. Nereis Dumerilii, Jolmston. Miscellanea Zool. Annals of natur. 



liisfcorj. Vol. V, p. 174. 

 1843, Nereis zostericola, Oersted. Annul. Dan. conspect., p. 22, figs. 



20, 29, 67, 70, 71, 74. 

 1865. Nereis Dumerilii, Jolmston. Catalogue Brifc. worms, p. 156. 

 1865. „ „ Quatrefages. Hist, des i^nnelés I, p. 502. 



1867. Leontis Dumerilii, Malmgren, Annul. Poljcli., p. 52. 



1870. Nereis Dumerilii, Claparede. Les Annel. Clietox^. du Golfe de 



Naples; Suppl. p. 44 (p. 408), Pis. IlI-VI. 

 1879. Nereis Dumerilii, Marenzeller. Südjap. Annel., p. 15, Taf. II, 



Fio-. 4. 



Epitocous phase : 



1843. Heteronereis fuciola, Oersted. Annul. Dan. Conspect., p. 19, 



figs. 17, 55—58, 61, 62. 

 1843. Nereilepas variabilis, Oersted. Annul. Dan. Conspeet., p. 20, 



figs. 18, 26, 51, 52, 54, 59, 60 (Uebergangsform). 



1868. Nereis Dumerilii, Elilers. Die Borstenwürmer, p. 535, Taf. XX, 

 Fig. 21—37. 



Body rather slender, broadest near prostomium, 20 — 40 mm. 

 long, 3 mm. broad, composed of 70 — 85 segments. Colour reddish 

 with dark transverse bands. 



Prostomium scarcely longer than broad ; tentacles longer 

 than half the length of prostomium ; palpi short, not extending 

 beyond tip of tentacles ; first body- segment slightly longer than 

 the succeeding, in dorsal aspect with a peak directed forward. 



