88 



INDEX OF SPECIES. 



Patula 



Cooperi, 157. 

 Mazatlauica, 157. 

 sportella, 157. 

 strigosa, 157. 

 Pecten 



adspersus, 236, P 538. 

 (?i'nr.) sequisulcatus, 22, 26,78, 



S5, 131, 155, 170, 280. 

 altiplicatus, 81. 

 aspersus, 199, 277 

 catilliformls, 77. 

 caurinus, 73. 85, 131,0 311, 



348. 

 circularis, 40, 45, 76, 107, 



250, 2S5, 290, 352, P 



152. 

 dentatus, 233, 0311,0 352, 

 deserti, 76, 81.. 

 Dieffenbachii, 73. 

 digitatus, 207. 

 discus, 81. 

 excavatus, 14. 

 Fabricii, 60, 211, 218. 

 fasciculatus, 207, 311. 

 floridus, 25, 322, 207, 311, 



O351. 

 hastatiis, 14, 18,22, 81, 92, 131. 

 hericeus, 18, 92, 131, 212, 



0311,0348. 

 Hindsii, 60, 92, 

 inca, 199, 277, 311 

 iutermedia, 80, 107. 

 irradians, 281. 

 Islandicus, 4, 20, 60, 70, 92, 



131, O 218, O223. 

 Jeffersonius, Si. 

 laetus, 73. 

 laqueatus, 2S8. 

 latiauritus 22, 45, 60, 131, 



198, 229, 233, O 234, 



311, 349, 351. V 219, 

 Madisonius, 77. 

 magnificus, 185, 311, 



359- 

 magnolia, 81. 



Pecten 



Meekii, 81. 



niesotimeiis, 45. 



monotimeris, 26, 78, 131, 151, 



O 198, 229, 233, 234, 



V 219. 

 Nevadanus, 77. 

 nodosus, 233, 234, 311, 



O352. 

 nucleus, var. 290. 

 Pabloensis, 80. 



pancicostatus, 22, 100, 131, 2S1. 

 Pealii, 218. 

 pomatia, 14. 

 propatnhis, 165, 367. 

 purpuratus, 102, 233, 284, 



35'- 

 pyxidatus, 153. 

 rasfellinus, 14. 

 rubidus, 4, 20, 92, 131, 207, 



218, 223, 311. 

 senatorius, 40, 73, 282. 

 sericeus, 207, 311. 

 (Jvar.) squarrosus, 22, 281. 

 subcrenatus, 153. 

 subnodosus, 24, 27, 107, 151, 



185, O311. 

 Townsendi, 18, 213, 311, 



O348. 

 Tumbezensis, 199,0 277, 311. 

 tumidus, 35, 78, 85, 185, 



187, 277, 290. 

 tunica, 60, 131. 

 varius, 222, P 532. 

 vontricosus, 14, 24, 27, 40, 45, 



54, 78,85, 107, 131, 151, 15-. 



170, 199, 280, 281, 187, 



233, O 234, 277, 282, 



290, 311. 

 ■ var. 22. 



Yessoonsis, 70, 74. 

 Pectunculus 



assimilis, 200, 182, 229, 



233, O 249, 277, P 144. 

 bicolor, O 285, 290, 310. 

 Californicus, 192. 



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