WCOStOHING SLAMINALOS OIA (ove ey ki ee 
Eon she TN ene SP Eater ca ye ney h Naty Grime Ge Gld, 
INOMLERCV CUSIS i vircti, Guin Fin ee et We Oe tanieh. 
AUCHOUMNIS ci vsgsi ony dire ns Glue cose Oey ada a: (yene, 
SUDO oye cy ie eer tay lane Se 18) 
COMUGa eles AS aa eet Cop ace neta Var er: Cpr 
CSMMISCIUD IA, Vein Wc sc vasen Veda oi Cor, 
turritominia....... cB, 
These minute mollusks are generally found in colonies, among or 
under rocks, at low tides, and in many cases cannot be deter- 
mined without a lens, 
OIVGLIA INDICATE sere ee on i eer i i ee Sby. 
Often found in great numbers at low tide; the colors ranging from 
pure glossy white, through light and dark gray, to dark brown, 
boetica 
WIUCOE Gn ii eres 
Dr, 12 fathoms, 
CUM MASURE UGS CIGAS Winch nser Ge ire termi) ae D’ Orb. 
OmpMalius MISGCSGeUS cic ie ay lelngill: 
QACUIA ASUUISCILOtA eae sey ac dive re ee bee ele Cpr 
UMS CUI GAs ee peeve erent i ee a er D. & B. 
OSttGN AMAUA ss. e. ied rer fiad iil: oi vo nea re a ey Cp 
COUCHOOIU A ei ri a Pe ee es a ee Cpr, 
WEEE vies ig Gees ee VOU ail ie csc eee Cpr 
eo) NOL CRUAUSMceevcs ren ouvir ity enc in ei yes 6G Cpr 
The various species of Ostrea are found in considerable numbers 
on rocks, bottles, cans, pipes, and timbers, at low tide. 
Ovula detlesa, Var, Datbarensen iis, ie i kc Dall. 
Dredged. Generally found on a species of yellow gorgonia. 
POMOUEH QONCuONr A aie sea) ere curries eee reac cite ay anise: Gld, 
Rarely found; burrowing in sand and mud to a depth of two feet or 
more. Formerly known as Glycimeris generosa, Gld, 
Parapholas californica 
WAT UMM Ie AMLAMUA iwi oscil ati co prs Dall. 
PSCtSH PECISUIOOIIS jrice ri Virev ie teenies tn nines) ni Cpr. 
CHCZOSUBIS ci cist us Dall. 
Dr. 8 fathoms. ‘This fine species is occasionally pulled up by 
fishermen in their nets,and formerly called Pecten floridus, Hds. 
latiatiritis ...... Os ee ee ee ae a Conr. 
4 VAT) DAMCICOSUAUUG ee vc Cpr 
POMOUMMOM Siecle elite en yc ne Conr. 
These two species are very common, sometimes a single kelp 
plant having hundreds on its leaves. 
VAUCOUVELOUSIS haters crite ri oe ey ee Whit, 
Dr. 50 fathoms, 
