88 



INDEX OF SPECIES. 



Patula 



Cooperi, 157. 

 Mazatlanica, 157. 

 sportella, 157. 

 strigosa, 157. 

 Fecten 



adspersus, 236, P 538. 

 (?yar.) sequisulcatns, 22, 26, 78, 



8 5> 13*. 155, W 280. 

 altiplicatus, 81. 

 aspersus, 199, 277 

 catilliformis, 77. 

 caurinus, 73. 85, 131, 311, 



348. 

 circular-is, 40, 45, 76, 107, 



250, 2^5, 290, 352, P 



152. 



dentatus, 233, 311, 352. 

 deserti, 76, 81. 

 Dieffenbachii, 73. 

 digitatus, 207. 

 discus, 81. 

 excavatus, 14. 

 Fabricii, 60, 211, 218. 

 faseiculatus, 207, 311. 

 floridus, 25, 322, 207, 311, 



0351. 



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

 hericeus, 18, 92, 131, 212, 



0311, 348. 

 Hindsii, 60, 92. 

 inca, 199,0 277,0311 

 intermedia, 80, 107. 

 irradians, 281. 

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



131, 218, 0223. 

 Jeffersonius, 81. 

 Isetus, 73. 

 laqueatus, 288. 

 latiauritus 22, 45, 60, 131, 



198, 229, 233, 234, 



03", 0349, 0351, V 219. 

 Madisonius, 77. 

 magnificus, 185, 311, 



359- 

 magnolia, 81. 



Pecten 



Meekii, 81. 



mesotimeris, 45. 



mouotimeris, 26, 78, 131, 151, 



O 198, 229, 233, O 234, 



219. 



Nevadauus, 77. 

 nodosus, 233, 234, 311, 



0352. 



nucleus, var. 290. 

 Pabloensis, 80. 



paucicostatus, 22, 100, 131,281. 

 Pealii, 218. 

 poinatia, 14. 

 propatulus, 165, 367. 

 purpuratus, 102, 233, 284, 



0351. 



pyxidatus, 153. 

 rastellinus, 14. 

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



218, 223, 311. 

 senatorius, 40, 73, 282. 

 sericeus, 207, 311. 

 (?rar.) squarrosus, 22, 281. 

 subcrenatus, 153. 

 subnodosus, 24, 27, 107, 151, 



185, 311. 

 Townsendi, 18, 213, 311, 



0348. 



Tumbezensis, 199, 277, 311. 

 tumidus, 35, 78, 85, 185, 



187, 277, 290. 

 tunica, 60, 131. 

 varius, 222, P 532. 

 ventricosus, 14, 24, 27, 40, 45, 



54, 78, 85, 107, 131, 151, 152, 



1 7> I 99> 28o > 28l > l8 7 



233, 234, 277, 282, 



290, 311. 



var. 22. 



Yessoensis, 70, 74. 

 Pectunculus 



assimilis, 200, 182, 229, 



233, 249, 277, P 144. 

 bicolor, 285, 290, 310. 

 Californicus, 192. 



