TABLE OF CONTENTS 
CHAPTER MeANtIP-SHELESMANDUDHEIREANEDIEG  sectne ss « 
9 
CEUNPAPE Ro ike IViSSEES AND) PECTENS@ sc... s.6 sce 06% s/s 25 
GAEDE RI iis OVSTERS ANDUSMADTS CLAMS) 5..5..00 0-2-1 44 
CHAPTER IV. CHama, CARDIUM, AND VENUS ........... 50 
GHAPTER  V. Orner’ BivAtve MOLLUSKS (2. 2....6...00 77 
GEE ERR Vilo  UNivALVve MOLLUSKS .4ackcocmacts eee ass 100 
GE we WHR Vil, -AtR-BREATHERS» 2.40100 see oheie a oe ecree os TI5 
CEN MBROVITE MARINE UNIVALVES: .c.6c.c0cucessioctso.<. 156 
CEPR EX. Tne’ SmAtpiEr: SEA-SHELUS. (occ... 000.00... 186 
GENE WER] X. SHEELS WITHOUT CANALES o2..........+...212 
CARVER XI. Tors Anp DURBANS ..4...........-0--..--236 
CHAPTER XII. Prercep SHELLS AND CHITONS ........... ¥252 
REFERENCE List oF WEST AMERICAN SHELLS .............272 
EON EDLOPOUARE AE, Mereent ars An aaa tna E eet cH adits coos «Se bas 273 
1 PABST BICOAIOV DA BP AL Re a As tt 74 
INP UADACEAiEy cet verte Onley seme Sa ied 6 he odo Sie sa arars DOTY. 
BE PRONING HSU et Reve Ana nas bet ge Cede. Sh cnn hoisaeaes ee 20! 
Wab Nie RACE ACER A Serntan ye 2 aa oct Me eal ch idles aid erit dale V2OO 
PEE DEN AGE Ane: acta Suey taco Sse peanead ot kivleiid wae ees Behe <2OO 
NS CIDIN. fle aullees ey SR ORR A A ee ee eee 8 
INILEN ONY) 07. \y RR ar UR WA a 0 
Se ABIHOPO DAM eis 5 aie TAs excises aisle dein tnc oF oi hae wawaes «ate se e205 
(GQAGLER OP OD AGMA Ae aN OP tray oss 528 <yci ts osonadacanenie ole Ge oto aaa 200 
EARNED NAR Aes eat Aree icer = ayaldyclaoytets nish GON ees Sewjes sda saree 2OS 
ERENOBRANGHTADANG:  ocitencs soi cas OE ce ees Ue wate cie esas 317, 
STREEE ODO Nit MMSE At Pa i Soe dose us ace eeacee ears ob tare 330 
ORG WUACORT OR AMINA err roses iala.si.5 Sens B omgnitie gers Maw asree Tae 347 
GEEEVATORON AME AE epee dom ©, Sernisccnioks Gacmintitotehe auicseiares 350 
MENTED EPR oer ite rai avoke tie ten over chetel eal crehevivaciavaterte alia. staleres 
