60 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 25 



16. Tentacular cirri tapering distally 17 



16. Ventral tentacular cirrus of segment 2 foliaceous, others fili- 

 form; proboscis diffusely papillated; dorsal cirri lanceolate and 

 longer than wide .... . . Sige montereyensis 



17. Posterior neuropodia slender, elongated, more than two and a 

 half times as long as wide and distally truncate; dorsal and 

 ventral cirri distally pointed . . . Eumida tubiformis 



17. Posterior neuropodia not elongated 18 



18. Posterior dorsal cirri longer than wide 19 



18. Posterior dorsal cirri wider than long; dorsal cirri with very 

 wide base and strongly imbricated ; prostomium broader than 

 long Eumida longicornuta 



19. Prostomium longer than wide; dorsum without transverse pig- 

 ment bands Eumida sanguinea 



19. Prostomium wider than long; dorsum crossed by transverse 

 bands of dark pigment Eumida bifoliata 



20. Proboscis with longitudinal rows of papillae near the base . 

 21 



20. Proboscis with papillae in dispersed arrangement .... 26 



21. First 3 normal segments with parapodia and cirri greatly re- 

 duced Anaitides heterocirrus 



21. First 3 segments without reduced parapodia 22 



22. Dorsal cirri reniform in shape . . . Anaitides longipes 



22. Dorsal cirri longer than wide, distally pointed to truncate and 



not reniform in shape 23 



23. Body segments each with 3 bars across the dorsum ; pharyngeal 

 papillae number to 9 in a row . . . Anaitides williamsi 



23. Body segments each with 3 transverse lines across dorsum; 

 pharyngeal papillae number to 12-15 in a row .... 

 Anaitides groenlandica 



23. Body segments colored otherwise 24 



24. Body uniformly iridescent purplish brown ; pharyngeal papillae 

 number 10-12 in a row . . . Anaitides ?nedipapillata 



24. Body segments crosed by single broad bars with a middorsal 

 pale spot Anaitides nr. multiseriata 



24. Body pale or somewhat punctate to maculate 25 



25. Dorsal cirri distally rectangular or rhomboidal; dorsum pale 

 with dark punctate spots ..... Anaitides mucosa 



25. Dorsal cirri oval or cordiform in shape ; body pale or yellowish, 



pharyngeal papillae reddish brown at tips 



Anaitides madeirensis 



