87 



Echinoderms includes 



Amphlodla ( Amphlsplna ) urtlca - 3 



Leptosynapta - 2 juvo 



Stlchop us calif ornlcus •= 1 very large 

 Crustaceans include many amphlpodSj brown ostracods 



phoxocephalid amphipods 2 



Heterophoxus sp, A-2 Pontharpinia sp» J-14 



Phoxocephalus sp„ A->2 Pontharpinia sp, Y-1 



Mollusks include many smaller gastropods and pelecypods 

 Echiuroid - 1 moderately large 

 Sipunculid ■- 1 brown^, moderately large 

 Polychaetes includes 



Chloeia pinnata - many juv, 



Harmothoe liinulata var. 



ciomaceans and others 



Pectinaria californiensis 

 Pherusa capulata 

 Pholoe 



Rhodine fragments 



Scalibregma 



various spioniform annelids 



Sthenelanella uniformis 



and others 



SUMMARY o - The largest is Stlchopus calif ornicus , followed by the 



echiuroid and sipunculid; there is no single species conspicuous 

 for abundance. The estimated volume of organic material is 

 150 ml. 



I W-21„ Stao 2998"55» In 265 feet, OPG took 0„37 cuft of black, 

 clayey mud<, with large friable clumps « The screenings consisted of 

 little besides the animals^ which are richly diversified, 

 Echinoderms includes 



Amphlacantha ampha c an th a 

 Amphiodia digltata - 8 



Amphiura seminuda - 2 

 Ophlura llltkeni - 3 



Amphiodia urtica - 23 



Amphioplus strongyloplax 



Amphlpholis £J^et_ana - 7 

 Crustaceans include many amphlpods^ cumaceans;, ostracoas and others 



phoxocephalid amphipodss 

 Hetgr^qp hoxus sp, A-4 

 Me •Eapho xus ~sp , A- 6 

 Polychaetes are very numerous, diversified and characterized by 



Pherusa capulata and Pectinaria californiensis 

 SUMMARY 



Astropecten calif ornlcus - 1 

 Lytechinus anamesus - 1 



Pontharpinia sp, J-8 

 Pontharpinia sp. Y-1 



The estimated volume of organic matter is 110 ml. 



I W=-22o Stao 3387-55. In 310 feet. OPG took 0o31 cuft of coarse 

 sand, shell and sandstone. The screenings consisted of stones and gravel 

 somewhat covered with white deposit, some stones lightly sprinkled with 

 dead shells of spirorbids and biological materials. 

 Echinoderms includes 



Amphiodia digitata ■» 1 Ophiopholis bakeri - 1 



Lytechinus anamesus = 3 holothurian, brown papillated - 1 



Crustaceans include a few amphipoas and ostracods 



Mollusks include caecids, smaller gastropods and pelecypods v 



Encrusting bryozoans on stones 

 Polychaetes are entirely small and includes 



cirratulids Paraonis 



Glycera Placoste'gus , tubes attached to stone; 



gonladid spionids of several kinds 



Lanice in tube spirorbid tubes on stones 



Sthenelanella uniformis 



syliid 



Vlagelona 



nereid 



onuphid 



Vermillopsls oii black stone 



