PLATE 34. 



Nereis caenocirrus Chamberlin. 



Figures 1-6. 



1. — Anterior end, dorsal view, epitokous male. X 4.5. 



2. —  Thirtieth parapodium of heteronereid division of same, caudal view. X 63. 



3. — Eleventh parapodium of heteronereid division of same, caudal view. X 63. 



4. — Notopodial seta. X 1075. 



5. — Notopodial natatory seta from middle region. X 278. 



6. — Falcate seta of second type from fourth parapodium. X 1075. 



