117 



IV-4. Sta. 3180-55o In 1091 feet. OPG took 1.7 cuft of shale, 

 pebbles, sticky green mud and rubble; the screenings consist of about 

 8 liters of various kinds of debris and some larger animals, of which 

 the largest were dark red Thalassema , various kinds of other wormlike 

 animals, and smaller crustaceans. 



IV-5. Sta. 3179-55. In 1201 feet. OPG took 2.01 cuft of green 

 gray mud with odor of H S. The screenings retained many polychaetes, 

 especially Chloela, malaanids, and others, also mollusk shells and 

 other animals. 



IV-6. Sta. 3178-55. In 1428 feet. OPG took 2.33 cuft of green 

 gray, very sticky mud. The screenings included a large echiuroid, 4 

 brissopsids, a few ophiuroids, some onuphid and maldanid polychaetes, 

 and many other kinds of annelids. 

 Echinoderms include: Brissopsis pacif ica - 2 



Brisaster townsendi - 2 



IV-7, Sta. 2999-55. In 1486 feet. OPG took 2.83 cuft of fine 



dark sticky mud. The screenings contained many foraminiferans, muddy 



tubes of annelids, and other animals. 



Mollusks include shells of Dentalium j gastropod, and a larger chaetoderm. 



Polyclad - 1 smaller 



Polychaetes includes 



ampharetid in thick mud tube Onuphis ? vexillaria - many 



Ancistrosyllis paraonids 



Drilonereis Pilargis , fragment 



Euclymenid Prionospio pinnata 



Glycinde sigalionids 



Goniada and others 

 Lumbrineris spp. 



IV-8. Sta. 3399-55. In 1565 feet. OPG took 2.58 cuft of fine 



green sticky mud. The screenings retained many foraminiferans and 



numerous larger animals of various kinds. 



Echinoderms includes 



Brissopsis pacifica - 2 larger 

 Amphiodia ( Amphlspina ) urtica - 3 

 Amphipholis squamata - 1 



Crustacean - a parasitic cyclopoid copepod 



Mollusks include largely dead shells, especially of Amphissa 



Glntti f^li fl albida - 2 tiny 



Echiuroid - 1 



Nemertean - a large red-ribbon species 



Polychaetes includes 



Ancistrosyllis Maldane - about 15 



Aricidea uschakovi - 2 Onuphis vexillaria - 1 large 



Ghone mollis - 1 larger Paraonis - 2 



Lumbrineris - 1 small and few other smaller kinds 



