384 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 15 





PLATE 40 

 Naineris bicornis 



1. Anterior end with proboscis everted, in dorsal view, xl6. 



2. Segment twenty-seven, showing arrangement of parapodial parts, 

 in posterior view, xl6. 



3. Cross section of an abdominal segment showing parapodial lobes 

 and branchiae seen from behind, x22.4. 



4. Thoracic uncinus from neuropodium twenty-seven, with trans- 

 verse serrations and enclosing sheath, x676. 



5. Thoracic pointed seta from neuropodium twenty-seven, with trans- 

 verse serrations, x676. 



6. Furcate seta from abdominal notopodium, with transversely ser- 

 rated shaft, x676. 



