44 



INDEX OF SPECIES. 



Cuma 



kiosquiforme, 24, iSo, 262, 



O 340, P 4S1. 

 kiosquiforme, var. 190. 

 sulcatum, O 269. 

 tectum, 24, 48, 180, O 182, O 191, 



O340, P355, P475, P481. 

 Cumingia 



-Adamsii, 38, 203. 

 Californica, 26, 126,0 195,0231, 

 O 234, O 245, O 304, 351, 



var. 



O 234, O 245, w jv 



O 353, P 30, V 213. 



ir. coarctata, 38, 47, 203, 



245, 279. 

 lamellosa, 38, 47, 203, 183, 



O 24s, 304, P 29, P 30. 

 siniilis, 40. 



striata, O 245. 



trigonularis, 38, 47, 105, 203, 

 O 245, O 279, O ^f"- P "JO. 

 var. 184. 



— 7 — — r_;- 



trigonularis, 38, 47, 105, 2 

 O 245, O 279, O 304, P 30. 



• var. '^ '*'' 



Cyathodonta 



plicata, 27. 



nndulata, 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 !o6. 



edeutula, 164. 



egregia, O 213, 308. 



Estrellana, 81. 



inornata, 164. 



minor, 165. 



modesta, 164. 



iiobilia, 165. 



ovalis, 165. 



panduta, 81. 



patella, 165, O 210, 308. 



permacra, 81. 



simplex, 164. 



Spokani, 91. 



Cyclas 



striatina, 164. 

 tenuistriata, 164, 

 triangularis, 164. 

 tumida, 91. 

 Cyclina 



producta, 2S4, 305, S l6r. 

 saccata, O 305. 



subquadrata, 77, 201, O 227, 

 O 246, 2 78, 305, O 364, 

 P62, S 161, U 201. 

 Cyclophorua 



pouderosus, 45. 

 translucidiis, 45. 

 Cyclostoma 



acutuui, O 220. 

 anatinum, O 220. 

 giganteum, 185. 

 Mexicanum, O 265. 

 Cyclostrema 



excavatum, T 169. 

 octoliratum, T 169. 

 pentegoniostoma, T 169. 

 Cyclotus 



giganteus, 326. 

 Cyllcbna 



Carpenter!, 34. 



(fcylindracea, var.) attonsa, 



23. 89, 133, 169. 

 inculta, 133. 

 luticola, 34, 194, 250, 275, 



O313, P170. 

 mamillata, 133, 366. 

 planata, 133, 307. 

 triticea, 71. 

 Cylinder 



porplijreticas, 48. 

 Cylindrella 



Ghiesbrephti, 44. 

 Liebmauiii, 295. 

 Pfeifferi, 295. 

 salpinx, 44. 

 teres. O 295. 

 Cymbium 



patulum, 48. 

 tuberosum, 48. 



