33 
1670 Patulastra? pugetensis 
133 Pecten aequisulcatus 
970 Pecten alaskensis Dall. 
3073 Pecten (Pseudamusium) Arces 
1146 Pecten rubidus Hinds. 
1147 Pecten (Pseudamusium) vancouverensis Whiteaves. 
1447 Pecten Randolphi Dall, Nautilus 11:86. 
1448 Pecten Davidsoni Dall, Nautilus 11:86. 
971 Pecten caurinus Gould. 
972 Pecten floridus Hinds. 
2376 Pecten (Euvola) cataractes Dall. Gulf of Cal. 
2377 Pecten hericius Gould. 
2378 Variety albida Dall. 
2379 Pecten islandicus Mull. 
2380 Pecten rubidus Hinds. 
2464 Pecten Vancouverensis Whiteaves. 
2405 Pecten giganteus Gray. 
451 Pecten hastatus Sowerby. 
451 Variety Hindsi Carpenter. 
973 Pecten hindsi Carpenter. 
974 Pecten islandicus Muller. 
454 Pecten latiauritus Conrad. 
1942 Pecten Palmeri Dall, Nautilus 11:85. Gulf of Cal. (Ed- 
ward Palmer). 
1943 Pecten Davidsoni 
2026 Pecten (Lyropecten) Dilleri 
1944 Pecten Randolphi 
132 Pecten monotimeris 
453 Pecten paucicostatus Carpenter. 
131 Pecten subnodosus 
2739 Pecten Whiteavesi 
975 Pedicularia californica Newcomb. 1426 
271 Pedipes liratus Binney 
98 Pedipes unisulcatus 
976 Penitella curvata Tryon. 
1187 Penitella ovoidea 
275 Penitella penita Conr. 
977 Periploma discus Stearns. 
978 Petaloconchus macrophragma Carpenter. 
979 Phenacarion foliolatum Gould. 
106 Periploma argentaria 
2098 Periploma planiuscula Sby. 
2424 Periploma sulcata 
2314 Perna chemnitzianum Orb. 
1175 Peronza bodegensis Hinds. 
300 Petricola carditoides Conr 
2012 Perticola denticulata Sby. 
2011 #£Petricola cognata C. B. Adams. 
3116 Phacoides (Here) Richthofeni Gabb, 1866. 
3117 Phacoides (Cavilucina) Lamprus Dall, 1901. Gulf of Cal. 
3118 Phacoides (Cavilucina) lingualis Cpr. 1864. 
3119 Phacoides (Cavilucina) prolongatus Cpr. 1857. 
3120 Phacoides (Pleurolucina) undatus Cpr. 1865. 
3121 Phacoides (Lucinisca) fenestratus Hinds, 1844. 
3122 Phacoides (Lucinisca) Nuttallii Conr. 1837. 
3123 Phacoides (Miltha) Childreni Gray, 1825. 
3124 Phacoides (Pseudomiltha) tellinoides Reeve, 1850. 
$125 Phacoides (Lucinoma)) heroicus Dall, 1901. 
2489 Phacoides (Miltha) Zantusi 
2316 Phacoides lamprus Dall. 
