292 



INDEX OF GENERA AND SPECIES. 



Parapbolas^enita, 88. 

 PATELLA, 86, 87, 230. 



insessa, 87. 



scabra, 86. 



scurra, 87. 



spectrum, 86. 



Traskii, 230. 



PECTEN, 32, 59, 86, 103, 122, 198, 

 250. 



altiplicatus, 104. 



Californicus, 200, 251. 



complexicosta, 199, 251. 



catilliformis, 103. 



Cerrosensis, 32. 103 



Coosensis, 122. 



dentatus, 104. 



desertii, 122. 



discus, 122. 



excavatus, 103. 



Fabricii, 104. 



hastatus, 104. 



hericeus, 104. 



Icelandicus, 104. 



interradiatus, 199, 251. 



Islandicus, 104. 



magnolia, 122. 



Martinezensis, 198, 251. 



Meekii, 122. 



Nevadanus, 122. 



operculiformis, 200, 251. 



Pabloensis, 103. 



Pealii, 104. 



Peckhami, 60, 104. 



Pedroanus, 60, 104. 



propatulus, 103, 122. 



Traskii, 198, 250. 



tumidus, 104. 



Pectcn Veatchii, 32, 105. 



vcntricosus, 104. 

 Pectunculus, 98, 102, 121. 



cor bis, 98. 



nitens, 121. 



patulus, 100, 102. 

 Pelagus, 69. 



Vanuxemi, 69. 

 PENITELLA, 88. 



Conradi, 88. 



penita, 88. 



splcea, 88. 

 PERISSOLAX, 149, 217. 



Blakei, 149, 217. 



brevirostris, 217. 



Gabbii, 150. 

 PERNA, 120. 



montana, 120. 

 PETRICOLA, 119. 



Pedroana, 119. 

 PHARELLA, 233. 



alta, 233. 

 PHASIANELLA, 82, 232. 



corapta, 82. 



perforata, 82. 



Remondii, 232. 

 PHIDOLOPORA, 108. 



labiata, 108. 

 PHOLADOMYA, 178, 235, 265. 



borealis, 235. 



Brewerii, 235. 



nasuta, 235. 



Oregonensis, 178, 235. 



Sonorensis, 265. 



subelongata, 178, 235. 

 Pholas, 88. 



penita, 88. 



