103 
2878 O: nota. San Diego. 
947 Odostomia nuciformis Carpenter. 
195 Odostomia nuciformis Cpr var avellana Cpr 
21:1509 Odostomia obstricta D. & B. 
2736 Odostomia Oldroydi 
2870 O: profundicola. San Diego. 
735 Chrysallida pumila Carpenter. 
21:1145 Odostomia pupiformis, is satura. 
2842 O: sapia. San Diego. 
2863 O: serilla. San Diego. 
950 Odostomia straminea Carpenter. 
2879 O: subturrita. San Pedro. 
21:1454 Odostomia tenuis Cpr. 
951 Odostomia tenuisculpta Carpenter. 
801 Evalea tenuisculpta Carpenter. 
892 Variety incisa Cpr. 
2846 O: turricula. San Pedro. 
21:1452 QOdostomia turritominia D. & B. 
1322 Odostomia (Evalea) valdezi 
168 OQlivella biplicata Sby 
21:06%2 Olivella biplicata angelena Oldroyd. 
2407 Olivella intorta Cpr. 
21:0023 Olivella pedroana Conr. (boetica of former lists.) 
2051 Olivella (anazora Ducl. var.?) Porteri 
21:1149 Omphalius fuscescens Phil., is Tegula ligulatum. 
21:1150 Omphalius ligulatus Mke., is Tegula 1. 
21:1455 Oscilla aequisculpta Cpr. 
$62 Oscilla insculpta Carpenter. 
386 Ostrea concaphila Carpenter 
2887 Ostrea cumingiana Dunker. 
185 Ostrea lurida Cpr. 
21:1456 Ostrea lurida expansa Cpr. 
8387 Variety Rufoides Carpenter 
21:1165 (Cstrea rufoides Cpr. 
21:1167 Ovula deflexa barbarensis Dall. 
8638 Ovulum barbarense Dall. 
964 Ovulum formicarivum Sowerby. 
21:1170 Genus Pandora Hwass, 1795. 
2463 Pandora bicarinata Cpr. 
21:0741 Genus Panope Menard, 1807. 
21:0742 Panope genevrosa Gould, 1856. 1186. 
2176 Paphia staminea 
2177 Wariety petiti Desh. 1839. 
2178 Variety laciniata Cpr. 1864. 
2179 Variety ruderata Deshaves. 1853. 
2180 Variety orbella Cpr. 1864. 
?181 Variety suleulosa Dall. 1892. 
21:0120 Paphia (Protothaca) staminea spatiosa Dall. 
2182 Panhia (Callithaca) tenerrima 
274 Paranholas californica Conr 
21:1458 Parthenia amianta Dall. 
21:1188 Pecten aequisulcatus Cpr., is circularis. 
21:1459 Pecten diegoensis Dall. 
21:0081 Pecten (Psendamusium) incongruum Dall. 
54 Pecten latiauritus Conrad. 
132 Pecten monotimeris 
1147 Pecten (Pseudamusium) vancouverensis Whiteaves. 
