73 



Others Include; 



Echlurolds - 2; Slpuncullds - 4; Enteropneusts - 3; 

 a small burrowing anemone; M onobra c hium colonies on 

 Axlonopsis (a white clam); a' large red ribbon nemertean 



SUIVIMARY.- This is an enriched diversified sample containing many 

 species not found nearer Hyperion. The largest one is the 

 nemertean, the most conspicuous is Fectin aria . The volume of 

 organic matter is estimated at 285 ml. 



I W-9. Sta. 2994-55. In 179 feet. OPG took 0.69 cuft of dark 



sticky, hard packed mud. 



Echinoderms, with small disks measuring 5 mm or less across. Include: 

 Amphiodla (Amphi s pina ) urtica - 441 

 Amphipholis sq'uamat a - 64 

 Ast ro pecten cal ifornicus- 1 juvenile 

 several holothurians 



Crustaceans Include: 



a pinnixid crab; stalked barnacle; many brown and white ostra- 

 cods; some isopods; cumaceans; a pycnogonid; many 

 amphipods with phoxocephalid species identified: 

 Heterophoxus sp . A . - 5 

 Metaphoxus sp, A - 19 

 Pon t harpinia sp. E- 21 

 Pontharpinia sp. J- 18 



Mollusks include a chaetoderm and numerous small diversified kinds 



Polychaetes Include: 



many smaller spioniform and cirratulld kinds 



Pectinaria , Pholo^ , Lumbrinerls , Magelo na, and others 



SUMMARY.- The sample, though small, is representative of a diver- 

 sified mud bottom fauna. 



I W-9a. Sta. 4329-56. In 200 feet. OPG took 0.06 cuft of 

 green and black silt. The screenings consisted of about a liter 

 of black sand with nxomerous smaller animals, especially smooth red 

 ophiuroids, smaller mollusks and many smaller polychaetes. 



I W-9b. Sta. 4331-56. In 193 feet. OPG took 0.56 cuft of 

 dark green to black muddy silt. The screenings consist of about 

 two liters of solids, with many smooth ophiuroids, shelled mollusks 

 of different kinds, tubes of animals and many diversified species. 

 Echinoderms Include many ophiuroids 

 Mollusks include many smaller bivalves, a medium sized Polynices 



and other kinds 

 Polychaetes include: 



Ghloela plnnata 



Lepidasthenia virens 



Lumbrinerls bicirrata 



other lumbrinerids 



Ma gelona 



TFotomas tus^ 



Pectinaria c al if orni en s i s 



and other kinds 

 Sipunculid- 1 larger; Nemertean- 1 yellow-striped 

 SUMMARY.- This bottom is characterized by the presence of Qnuphis 



neb ulosa, many smooth ophiuroids, the large sipunculid, and 



the diversity of its kinds of species. 



