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\A\SZ UNIVERSITY OF CAL ORNIA PUBLICATIONS 
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Mo LL ZOOLOGY 
Vol. 14, No. 2, pp. 199-452, pls. 14-60 September 12, 1918 
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MOLLUSCAN FAUNA FROM SAN FRANCISCO 
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ds “ VISIO} Of Mol lusting 
E. L. PACKARD sechonc!) Library 
CONTENTS 
Nore.—Species marked with asterisk (*) were not obtained by the Survey. 
PAGE 
BEBE ESN Oo VEL UO 10 game a ae on ons Sock vse be cokes ac adn tcesmnt se uO Seo teccatccenseE aca dhconi dena .nnaveee deeeate 207 
TENE GERI GA CR OEM LIT oS ET = a Ne aS ne one PS 209 
Bry EROn Oem OL) bier OLS Cem LALO Be ccee cence eae coco cncece tee: encecerances eee cs netcee annonce 210 
San Francisco Bay ........-.------0-0-++ .- 210 
TES ROLY eee eee pe eer eo eee ee oer ern es eee 210 
TESOL OAUG AU ees ore ccna exes alas ee case eae pe Sac ccuath Papa a escasts-absciebetedterbe 213 
BIEN ON GT: O CGAL ces cn ceases cox sosctae cup cseecns savant tan eesec tena gig om Oe gue e ceeded aostantcetede 214 
Re eatetr snl CH eUrel HOTT Oc. yO wit ALI by oocs sok sastsas deca cb coe eres nee eee tase as ent ce eee Set consbacae 214 
Distribution of the mollusks ... 226 
General distribution ... 226 
Influence of depth ........... 5 EPA 
WMH eTOMIcem Ole LOUIS TALI G sy pec tees ce casks etree eects ctletee eae dusucepnce@eereeee cs 230 
STGTGER CHS HUG Cok O fiat UR ANA Ty Veo ee oe eee ce npn ees tac SER re Bot ancsterecnanenst 234 
Influence of the character of the bottom .............-.2.--c---cc-cscsse-cencneee seseecneeseneee 235 
Onantitativeranalysis Of the fauna —..--.-<...ccce<<-csscccasceerceeneesease-- Bede ee eens toe 
BSA) onc ccc te acc apwsseenceanetsanbecenscenencsons - 244 
BLO REN OL) SPCCLCS! esac nas ens cnc cams cass cen case nneatmen conc Sncreweeveie anna nan cuadenens ncaeeacsdesee 245 
BE SEN SUN Sacto cc -ncebe cvoscng Sct ache ap copot ae eatagatentebs Seed de cunsovtandeatiniecenstes SAP Ase 246 
SU UTCERPILD CED) a eae ee ae Be oon Re nS pipes 246 
TSCA Eo a RS 2 Re Zon me RPO est Ns nee eee or eR Be 246 
Nucula Lamarck .-. 246 
UNECE CORTRIB (MUOLIDA SU) ono cee cscs ce carn sarc catdet reese anc nG scare cenanoes 246 
ENCE UNG EIEOS) aes ee ee a ae SR 246 
PA Clan CAR EREMESAM CELUINGS)))- s2ee ese eerosee ne teces et ane shee Seth acteacwusdcuceusce seca 246 
TUTE NIG EVN eee Roe ee ce 247 
... 247 
DUETS Chen hr eh 4T oh em OSG EMIS MEN esac ec ewe eee caso ce oe nsoeccadnenvenner nen 247 
TOGO EI ER aE Re IDEN oo 2 Ne ee eee eae eee 247 
TE XSL N Eo) cheer git Ev |) 2 eee eer CE eee ee 248 
BY LOIN ea HV LL OT: cee eaeee yee areca nc cae adeeb acoen ston doce 248 
.. 248 
249 
Yoldia cooperi Gabb ... 
Yoldia ensifera Dall .... 
