Echlnoderms Include: 70 



Amphlodla ( Amphisplna ) dlgltata - 7 



Amphlodia "rugosa "- 4 (specific name is unpublished) 



Amphioplus hexacanthus - 2 



Amphipholis squamata - 19 



Astropecten californicus - 2 

 Crustaceans Include some amphipods, ostracods, and nebalians 

 Nemerteans- several, ovlgerous in tubes of Sthenelanella 

 Mollusks include: Cadulus , smaller pelecypods, small Aglaja and 



other gastropods 

 Brachiopod, Glottldia alblda - a few smaller 

 Enteropneust- 1 

 Polychaetes Includes 



Aglaophamus 



Amphicteis scaphobranchiata 



Ancistrosyllis 



Cossura Candida 



Drilonereis 



Glycera americana - 1 large 



Haploscoloplos elongatus 



Magelona 



maldanlds with species in at least 3 genera 



Marphysa , resembling conferta - 3 larger 



Nephtys , smaller kinds 



Nereis pro cera- some mature, undergoing metamorphosis in tubes 

 of maldanids 



Nothria elegan s 



Pectinaria ca lif orniensis - 12 or more 



Pherusa Sternaspis - 1 larger 



P holo6 SthenelaTs 



Pilargis Sthenelanella - 5 in tubes 



Prionospio plnnata Terebellides - 1 larger 



Scalibregma Tharyx 



Sphaerodorum - 1 ovlgerous and others 

 SUMMARY.- Species best represented are polychaetes. The largest one 



is Glycera americana ; the most conspicuous is Pectinaria . The 



volume of organic matter is estimated at 98 ml, 



I W-6o Stao 2993-55 o In 109 feet« OPG took 1.38 cuft of dark 

 green mud. Most of the silt and detritus passed through the screens, 

 Echlnoderms includes 



Astropecten californicus -1 Amphiodia urtica - 10 



Amphipholis squamata - 5 Amphioplus hexacanthus - 3 



Amphiodia occidentalis - 3 " " 



Crustaceans include a ghost shrimp and an amphipod, Pontharpini a sp.G, 



Nemertean- 1 



Mollusks include a chaetoderm and a few other kinds 



Polychaetes includes 



Aricidea Nephtys ? ferruginea 



Euclymene - many Pectinaria californiensis -many 



Glycera americana - 1 larger Prionospio spp. 



Lumbrineris Sternaspis - 1 small 



Marphysa , resembling conferta-1 and others 

 SUMMARY,- The largest is Glycera americana ; the most ' conspicuous 



are Pectinaria and Euclymene . Volume of organic content is 



estimated at 110 ml. 



