44 



INDEX OF SPECIES. 



Cuma 



kiosquiforme, 24, 180, 262, 



340, P 481. 

 kiosquiforme, var. O 190. 

 sulcatum, 269. 

 tectum, 24, 48, 1 80, O 182, 191, 



0340, P355, P475, P4Si. 

 Cumingia 



Adainsii, 38, 203. 



Californica, 26, 126, 195, 231, 



234,0 245,0 304, 351, 



353, P 30, V 213. 

 var. coarctata, 38, 47, 203, 



245, 279. 

 lamellosa, 38, 47, 203, 183, 



O 245, 304, P 29, P 30. 

 similis, 40. 

 striata, O 245. 

 trigonularis, 38, 47, 105, 203, 



O 245, 279, 304, P 30. 



var. 184. 



Cyathodonta 

 plicata, 27. 

 nndulata, 119. 

 Cycladella 



papyracea, 29, 257. 

 Cycladina 



Adansonii, P 108. 

 Cyclas 



acurainata, 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. 



iiobilis, 165. 



ovalis, 165. 



panduta, 81. 



patella, 165, 210, O 308. 



permaera, 81. 



simplex, 164. 



Spokaui, 91. 



Cyclas 



striatina, 164. 

 tenuistriata, 164. 

 triangularis, 164. 

 tumida, 91. 

 Cyclina 



producta, 284, 305, S 161. 

 saccata, 305. 



subquadrata, 77, 201, 227, 

 O 246, 278, 305, 364, 

 P62, S 161, U 201. 

 Cyclophorus 



ponderosus, 45. 

 translucidus, 45. 

 Cyclostoma 



acutum, 220. 

 anatinum, 220. 

 giganteum, 185. 

 Mexicanum, 265. 

 Cyclostrema 



excavatum, T 169. 

 octoliratum, T 169. 

 pentegoniostoma, T 169. 

 Cyclotus 



giganteus, 326. 

 Cylichna 



Carpenteri, 34. 



(fcylindracea, var.) attonsa, 



2 3, 89, 133, 169. 

 inculta, 133. 

 luticola, 34, 194, 250, 275, 



O 313, Pi7o. 

 mamillata, 133, O 366. 

 planata, 133, 307. 

 triticea, 71. 

 Cylinder 



porpbyreticus, 48. 

 Cylindrella 



Ghiesbreghti, 44. 

 Liebmanni, 295. 

 Pfeifferi, 295. 

 salpinx, 44. 

 l^res, 295. 

 Cymbium 



patulum, 48. 

 tuberosuua, 48. 



