210 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 10 



PLATE 5 



Figures 90-98, Onuphis 'vexillaria: Fig. 90, heavy acicular hook from 

 eighth setiger; Fig. 91, another from same fascicle, with distal 

 tooth broken off ; Fig. 92, twenty-fifth parapodium in anterior 

 view; Fig. 93, one of 2 subacicular hooks from a median seg- 

 ment; Fig. 94, tridentate hook from second parapodium; Fig. 95, 

 sixth parapodium (first branchial) in anterior view (coll. 767- 

 38) ; Fig. 96, one of 5 pectinate setae from about the eightieth 

 parapodium; Fig. 97, acicular hook from sixth parapodium (its 

 accompanying hook is similar but pseudocomposite) to same 

 magnification (coll. 767-38) ; Fig. 98, second parapodium in 

 anterior view, from s-ame collection. 



Figures 99-104, Nothria iridcscens: Fig. 99, subacicular hook from a 

 median parapodium; Fig. 100, longer, slenderer, tridentate hook 

 from second parapodium (coll. 1149-40) ; Fig. 101, transitory 

 hook from same fascicle; Fig. 102, a heavier hook from same 

 fascicle; Fig. 103, distal end of largest of 4 tridentate hooks from 

 fifth parapodium (coll. 1130-40) ; Fig. 104, bidentate hook from 

 fifth parapodium, lacking hood (same collection). 



Figures 105-112, Nothria conchylega: Fig. 105, second parapodium 

 in posterior view, with lamellar presetal process; Fig. 106, an- 

 terior end in dorsal view, showing proportions of prostomium 

 and first parapodia, dorsal cirrus on left side abnormally bifur- 

 cated; Fig. 107, posterior parapodium with branchia and dorsal 

 cirrus, setae indicated; Fig. 108, eighth parapodium in anterior 

 view, setae indicated; Fig. 109, unworn bidentate hook from 

 first parapodium; Fig. 110, one of 2 subacicular hooks from 

 median segment; Fig. Ill, pectinate seta from same para- 

 podium; Fig. 112, hooded bidentate hook from second parapodium. 



Figures 113-117, Nothria elegans (coll. 887-38): Fig. 113, tridentate 

 hook from second parapodium; Fig. 114, bidentate hook from 

 same parapodium; Fig. 115, bidentate hook from third para- 

 podium; Fig. 116, heavier tridentate hook from same fascicle; 

 Fig. 117, slenderer, tridentate hook from same fascicle (figs. 113- 

 117 to same magnification). 



