50 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 22 



Mollusk 



tiny pelecypod — 1 

 Echinoderms 



Ophiacantha normani — 1 



Ophiura leptoctenia — 2 

 Crustacean 



cumacean, small white — 1 

 Enteropneust — 1 tiny, with flattened spherical acorn 

 Sipunculid 



IGolfingia sp. — 4 

 Polychaetes 



Aricidea uschakovi — 1 



Euchone sp. — 1 



hesionid, unknown sp. — 1 



Myriochele sp. — 1, in tube 



Ninoe gemmea — 1 



Notomastus, unknown sp. — 2 



Phyllochaetopterus sp. — tubes 



Praxillella, unknown sp. — 3, and many tubes 



Praxillura maculata — 2, with thick-walled tubes 



Prionospio sp., anoculate — 1 



Serpula sp. — 1 tiny 



Tharyx sp. — 6 



Sta. 5104-57: 



Screenings consisted of 70 ml of biological materials, including dead 



Lacqueus, reticulated sponge fragments, foraminiferan shells, caryo- 



philid coral stems, 2 dead mollusk shells and living metazoans, the 



most conspicuous sipunculids. 

 Mollusks 



chaetoderm — 2 dark, perhaps mature 



Cadulus tolmiei — dead shell 



Thyasira — small dead shell 

 Echinoderms 



Amphiodia (Amphispina) urtica — 3 



Ophiacantha diplasia — 3 juveniles 

 Sipunculid 



IGolfingia sp. — 4, ovigerous, measure 25 mm long, with everted 



introvert 



