95 



Polychaetes Include; 



Aphrodlta - 1 



Onuphld tubes 



Pectlnarla callforniensls - 13 



Travlsla - 1 



and others 

 SUMMARY of I SW-1 to 10: The biomass values resemble those In Zone 



I-Wj, and the numbers and kinds of animal species are similar. 



I NW-lo Sta, 3481-55o In 48 feet. OPG took 2.52 cuft of dark, 

 well packed mud with strong odor of H2S. The screenings consisted 

 of much black algal detritus, shell fragments and fine black gravelly 

 material. The contained animals are polychaetes of a few species. 



Aricidea spp,- many^, including large individuals 



Haploscoloplos elongatus = many 



Lumbrineris spp. 



Nothria elegans - many 



and some other smaller kinds 

 SUMMARY.- The largest and most conspicuous are Nothria elegans o 



I NW"2o Sta, 3482-55. In 80 feet. OPG took 1,51 cuft of coarse 

 gravel with black mudo The screenings consisted of 2 l/2 liters of 

 coarse black gravel, sand, detritus and animal remains. Living 

 species were largely annelids, associated with a few small Glottidia , 

 some araphlpods and other small crustaceans; mollusks were few and 

 small o 

 SUMMARY," The most conspicuous and largest animal was Diopatra or- 



nata with many individuals in coarsely constructed tubes 



I NW-3. Sta. 3487-550 In 75 feet. OPG took 0.75 cuft of fine 

 black mud with odor of HpS, The screenings consisted of shell frag- 

 ments of Conus , Polynlces , Nassarius and other kinds, in addition to 

 many kinds of animals. 

 Echinoderms includes 



Amphiodia ( Amphl spina ) dlgltata - 11 



Amphipholls squamata - 9 



holothurlan ■= 1 juvenile 

 Crustaceans include: 



amphlpods - 21 



ostracods - 10 



pinnlxid^ commensal probably of maldanid = 4 



cumaceans - some 

 Glottidia - 1 small 



Nemerteans, slpuinculids and small anemones, represented 

 Polychaetes includes 



Ampharete ? arctica - Drilonereis - 2 



Anclstrosyllis Euclymene 



Aricidea suecica Goniada - 17 or more 



Aricidea uschakovi Haploscoloplos elongatus - 13 or more 



Brada - 1 larger and 5 small Leoc rates 



small capltellld Lumbrineris limicola - 1 large 



Chaetozone Magelona spp,- 10 or more 



Ghone Nereis procera - 28 or more 



other cirratulids, many Nothria elegans - some, in tubes 



Gossura Candida Paraonis 



