44 



INDEX OP SPECIES. 



Cuma 



kiosqui forme, 24, iSo, 262, 

 O340, P4S1. 



kiosquiforme, var. 190. 



sulcatum, O 269. 



tectum, 24, 48, i8o, 182, 191, 

 O340, P 355, P 475, P 481. 

 Cumingia 



Adamsii, 38, 203. 



Californica, 26, 126,0 195,0231, 

 234,0 245,0 304, 351, 

 O353, P30, V 213. 



var. coarctata, 38, 47, 203, 

 245, O 279. 



lamellosa, 38, 47, 203, 183, 

 O 245, 304, P 29, P 30. 



similis, 40. 



striata, O 245. 



trigonularis, 38, 47, 105, 203, 

 245, 279, O 304, P 30. 



var. 184. 



Cyathodonta 



plicata, 27. 



undulata, 119. 

 Cycladella 



papyracea, 29, 257. 

 Cycladina 



Adausonii, P 108. 

 Cyclas 



acuminata, 164. 



australis, P 108. 



calyculata, O 222, P 106. 



cornea, 164, 210, 222, P 106. 



edentula, 164. 



egregia, 213, 308. 



Estrellana, 81. 



inornata, 164. 



minor, 165, 



modesta, 164. 



uobilis, 165. 



ovalis, 165. 



panduta, 81. 



patella, 165, 210, 308. 



permacra, 81. 



simplex, 164. 



Spokani, 91. 



Cyclas 



striatina, 164. 



tenuistriata, 164. 



triangularis, 164. 



tumida, 91. 

 Cyclina 



producta, 2S4, 305, S l6l. 



saccata, 305. 



subquadrata, 77, 201, 227, 

 246, 278, 305, 364, 

 P 62, S 161, U 201, 

 Cyclophorus 



ponderosus, 45. 



translucidus, 45. 

 Cyclostoma 



acutum, O 220, 



anatinum, 220. 



giganteum, 185. 



Mexicanum, 265. 

 Cyclostrema 



excavatnm, T 169. 



octoliratum, T 169. 



pentegoniostoma, T 169. 

 Cyclotus 



giganteus, 326. 

 Cylichna 



Carpenteri, 34. 



(fcylindracea, var.) attonsa, 

 23, 89, 133, 169. 



inculta, 133. 



luticola, 34, 194, 250, 275, 

 313, P 170. 



mamillata, 133, 366. 



planata, 133, 307. 



triticea, 71. 

 Cylinder 



porphyreticus, 48. 

 Cylindrella 



Ghiesbreghti, 44. 



Liebmanni, 295. 



Pfeifferi, O 295. 



salpinx, 44. 



teres, 295. 

 Cymbium 



patulum, 48. 



tuberosum, 48. 



I 



