86 



I W=19c, Sta« 4319=56o In 573 feet. OPG took 1.63 cuft of sticky 

 green mud. The screenings consisted of about a liter which was almost 

 entirely animals of various kinds. When silt and sand were removed, the 

 contents weighed 157 grams o 

 Echinoderms Includes 



Brlsaster townsendl - 2, the larger measures 31 x 25 mm, the smaller 

 10 X 8 1/2 mm 



Amphlacantha amphacantha - 7 ^ 



Amphlodla dlgltata - 59 

 ■ Amphloplus s trongyloplax = 2 



Amphlpholls squamata - 2 

 Crustaceans Include numerous amphlpods, ostracods, and cumaceans 

 Hydroldj, on living shells of Aclla (pelecypod) 

 Monobrachlum - 2 colonies on pelecypod shells 

 Mollusks Include: 



Axionopsis 



Aclla 



Blttlum 



Chaetoderm£ 



Nemocardlum 

 Nucula 

 Telllna 

 Thyaslra 



and others 

 Polychaetes Includes 

 Arlcldea 

 ampharetld 

 capltellld 



Chloela - 3 larger and 30 or more smaller 

 Cossura Candida 

 Drilonereis 



flabelligerlldp in old gastropod shell - 3 or more 

 Glycera ?capltata - 4 



Gonlada 



Harmothoe lunulata var, 



Lumbrlnerls blclrrata • 



1 larger 

 3 or more 



the 



Lumbrlnerls cruzensis 



Maldane - 1 or more., in mud tubes 



Mellnna - in tube resembling that of Maldane but slenderer 



Nephtys ? ferruglnea - 2 or more 



Pectlnaria callfornlensls - about 50, weighing Ib.V gx-amaj 



longest measure 43 mm and average length is 30-35 mm 

 Pholoe - several 

 Poecllo chaetus - juvenile 

 Prionospio nro malmgrenl - 2 

 P rionospio plnnata - 1 

 Rhodlne - in tubes 



Spiophanes ? mlsslonensis - several in silty tubes 

 TharyX j with tesselated tubes - many, some ovigerous 

 SUMMARYo- The largest animals are Lumbrlnerls blclrrata and Brlsaster 

 townsendl j the most conspicuous are Pectlnaria callfornlensls and 

 ophiuroldSa The estimated amoijnt of organic matter is 500 ml. 



I W=20o Sta. 3388-=55o In 250 feet. OPG took 0,63 cuft of coarse 

 sandstone, yellow=green nodules and biological debris. The screenings 

 consisted of considerably shelly debris, especially entire and broken 

 shells of scallop and augur shells, broken brachipods and Pro tula tubes. 



