ON MOLLUSC A OP THE WEST COAST OP NORTH AMERICA. 355 



Families, 8fc. 



A. 



B. 



C. 



D. 



E. 



p. 



G. 



H. 



I. 



K. 



6 

 1 

 3 



"i 



U 

 2 



30 



5 



1 

 1 



1 



"i 



2 



■1 



1 



1 

 9 



14 



2 

 1 



7 



47 



7 

 24 



31 



3 



8 



"3 



7 

 9 



L. 



4 

 2 



i 



2 

 9 



13 



1 



3 



'i 



"i 

 5 



8 



1 



34 



1 



12 



4 



17 



1 

 3 



M. 



10 

 2 

 5 



10 



27 



7 



61 



20 

 5 

 4 

 4 

 2 



13 

 2 



"i 

 1 

 2 



15 

 14 



*5 

 10 

 16 



4 



118 



15 



43 

 10 



68 



5 



14 



3 



4 



12 



13 



i 



N. 



3 



5 



27 



5 



13 



1 

 18 



64 

 12 



148 



1 



28 

 7 



10 



20 

 5 



19 

 2 



2 



1 



2 



23 



25 



4 

 12 



6 

 16 

 26 



4 



213 



25 



86 

 29 



140 



7 

 69 

 12 

 10 

 20 

 25 



2 

 1 



146 



Prosobranchiata. 



Heteropoda. 



3 

 3 



12 



1 

 5 



"i 



32 



2 



63 



1 

 4 

 2 

 5 

 16 



4 



*8 

 11 



4 

 11 



"i 

 l 



70 



6 



11 



5 



22 



54 

 6 

 6 

 4 

 9 



"i 



81 



1 



1 

 2 

 2 



1 

 1 



"% 



2 



12 



6 

 1 

 1 



2 

 5 



5 



5 

 2 



30 



5 



4 



G 



15 



2 



1 



1 



4 



1 



9 



1 



2 



1 

 1 



1 



3 

 4 



13 

 4 



9 



1 

 9 



43 

 5 



91 



1 

 17 



6 



8 

 19 



2 

 15 



1 



"i 



14 

 11 



4 

 11 



1 



10 



7 



3 



131 



12 

 22 

 13 



47 



3 



61 

 10 



7 



8 



13 



"2 



1 



105 



2 



1 



"i 



"2 

 3 



10 



"2 



1 



"3 

 2 



1 



4 



13 



2 

 22 



7 



31 



1 



2 



4 

 1 



1 



3 



2 



4 



11 



"7 

 1 



1 



2 



5 



3 



1 



5 

 2 

 2 



29 



5 



8 



7 



20 

 1 



1 



3 



1 



1 

 3 



"i 



2 



8 



6 



1 



*3 

 6 

 1 



18 



2 

 6 

 3 



11 



3 



Laterjbranchiata. 



Dentaliadae 



ScUTIBRANCHlATA. 



Chitonidae 



Patellidae 





Gadiniadae 



Fissurellidae 



2 



7 

 3 



15 



12 

 4 

 3 

 3 

 2 



11 



1 



6 



"l 



7 

 3 

 3 



56 



4 



7 

 6 



17 



2 

 6 



3 



4 

 2 



"i 



19 



"i 



4 



i'i 



"i 



2 



1 



"i 



2 



21 



2 

 5 



8 



'l 

 "3 



4 



'2 

 "i 



5 



1 

 3 



"3 



8 



"i 



1 



"2 

 2 



Haliotidae . 



Trochidae 



Neritidae 



Total 



Pectinibranchiata. 

 Rostrifera. 



Naricidae 



Calyptraeidae 



Capulidae 



Vermetidae 



Caecidae 



Turritellidae 



Cerithiadae 



Melaniadae 



Paludinidae 



Cyclostomidae 



Truncatellidae 





Lacunidae 



Planaxidae 



Ovulidae 



Cancellariadae 



Strombidae 



Total 



Toxifera. 



Pleurotomidae 



Total 



Proboscidifera. 



Solariadae 



Pyramidellidae 





Cerithiopsidae 







Velutinidae 



Lamellariadae 



Ficulidae 



Carried forward ... 



8 



6 



3 



30 



4 



52 



2 a2 



