74 



I W-10. Stao 3497-=55o In 188 feet« OPG took 1.5 cuft of green 

 sticky mudo The screenings retained many stellate foramlnlferans, 

 Rha bdanmlia abys3oruin_and other arenaceous kinds. 

 PorainlnlferanSs partly identified by Dr. Orville Bandy, include: 



Cibicides lobatus (d'Orbigny) 



Planulina ornata ( d ' Orb igny ) 



Rhabdammina~aBys"sorTJm Carpenter 



Robert ina ca llfornica Cushman and Parker 



Text ul aria abbreviata d' Orb igny 



Textularla schencki Cushman and Valentine 

 Echlnoderms includes 



Amphi odia ( Amphispina ) dlgitata - 531 



Amphlpholis squamata - 157 



Amphliora arcystata - 2 



Ophiura Ifitkeni ~ 1 



Ophiothrix splculata - an arm only 



several small holothurians 

 Mollusks Includes 



Cadulus - some living and dead shells 



Chae to derma - 5 small 



bubble and turbon shells 



Aglaja I Nassarius ; Pandora ; and others 

 Crustaceans includes 



stalked barnacle - 1' larger 



cumaceans - about 40^ with 2 or more species 



pinnixid crab - 1 juvenile 



sand crab - 1 Juvenile 



amphipods - 114 or more, including tx larger Ampelisca ., 

 a caprellid.o and phoxocephalids; 



Heterophoxus sp» A =• 9 Pontharplnia ap. E - 29 

 Metapho xus sp^ A - 20 Pontharpinia sp, Y- 1 



p^'unogonid - l"j; isopods with at least 4 species - 12 or more 



ostracods, mostly brown^ a few pale and sculptured kinds - 90 

 small slpuncullds ., in rays of stellate foraminiferans - -many 

 nemertean ■» in tube of Eunice 



hydroidj, Monobrachiiom , on small white clams- many colonies 

 Polychaetes includes 



Nephtys caecoides - 1 larger and posterior end of another 



Chloela pl nnata - 



MageTon a 



Onuphis nebulosa =■ 3 long stiff tubes 



Frlonosp lo plnn ata 



Prionosplo nr o~malmg reni 



P ectlna rla c al i f o r n i e n a i s =■ 90 or more 



and many other smaller kinds 

 SUMMARY, ° The largest individual is Nephtys caecoides ; the most 



conspicuous are Amphiodia dlgitata and Pectlnarla c allfor - 



n iensiS o The volume of organic matter is estimated at 300 ml. 



I W-=10a. Sta. 4330-55, In 198 feet, OPG took 0.63' cuft of 

 dark to black muddy silt. The screenings consisted of about a liter 

 of dark sand and animals of many diversified kinds. The most momer- 

 ous are smooth ophluroids. 



Mollusks are represented by a larger Modiolus, Cylichna , and others. 

 Polychaetes include? 



Anaitides Pectlnarla californiensis 



G-lycera paplllated Pherusa 



Marphysa resembling conferta Prionosplo plnnata 

 Nephtys and other kinds 



Lumbrineris spp,, 



