INDEX OF SPECIES. 



Patula 



Cooperi, 157. 

 Mazatlauica, 157. 

 sportella, I57- 

 strigosa, 157. 

 Pecten 



adspersus, 236, P 538. 

 (?var.) sequisuloatus, 22, 26,78, 



85> i3i> '55, 170, 280. 

 altiplicatus, 81. 

 aspersus, 199, 277 

 catilliformis, 77. 

 caurinus, 73. 85, 131, 311, 



348. 

 circularis, 40, 45, 76, 107, 

 250, 28s, 290, 352, P 



152- 

 dentatus, 233, 0311,0 352. 

 desevti, 76, 81. 

 Dieffenbacliii, 73- 

 digitatus, 207. 

 discus, 81. 

 excavatus, 14. 

 Fabricii, 60, 2li, 218. 

 fasciculatus, 207, 311. 

 floridus, 25, 322, 207, O 311, 



0351. 

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

 herioeus, 18, 92, 131, 212, 



0311,0348. 

 Hindsii, 60, 92. 

 inca, 199, 277, 311 

 intermedia, 80, 107. 

 irradians, 281. 

 Islandious, 4, 20, 60, 70, 92, 



131,0 218, 223. 

 Jeffersonius, 81. 

 Iffltus, 73. 

 laqueatus, 288. 

 latianritus 22, 45, 60, 131, 



198, 229, 233, 234, 



311,0349, 351, V 219. 

 Madisonius, 77. 

 magnifious, 185, 311, 



359- 

 magnolia, 81. 



Pecten 



Meekii, 81. 



mesotimeris, 45. 



monotimeris, 26, 78, 131, 151, 



198, 229, 233, 234, 



V 219. 

 Nevadauus, 77. 

 nodosus, 233, 234, 311, 



O352. 

 nucleus, var. 290. 

 Pabloenais, 80. 



paucicostatus, 22, 100, 131,281. 

 Pealii, 218. 

 pomatia, 14. 

 propatulns, 165, 367. 

 purpuratus, 102, 233, 284, 



0351- 

 pyxidatus, 153. 

 rastellinus, 14. 

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



218, 223, 311. 

 seuatorius, 40, 73, 282. 

 sericeus, 207, 311. 

 (fvar.) squarrosus, 22, 281. 

 suborenatus, 153. 

 subnodosus, 24, 27, 107, 151, 



185, 0311. 

 Townsendi, 18, 213, 311, 



O348. 

 Tumbezensis, 199, 277, 311. 

 tumidus, 35, 78, 85, 185, 



187, 277, 290. 

 tunica, 60, 131. 

 varius, 222, P 532. 

 Tentrioosus, 14, 24, 27, 40, 45, 



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



170, 199, 280, 281, 187, 



233, 234, 277, 282, 



290, 311. 



var. 22. 



Yessoensis, 70, 74, 

 Pectunouhia 



assimilis, 200, 1S2, O 229, 



233, 249, 277, P 144. 

 bicolor, 285, 290, 310. 

 Califoniious, 192. 



