44 



INDEX OP SPECIES. 



Cuma 



kiosqui forme, 24, 180, 262, 



340, P 481. 

 kiosquiforme, var. 190. 

 sulcatum, 269. 

 tectum, 24, 48, 180, 1S2, 191, 

 340, P 355, P 475. P 481. 

 Cumingia 



Adamsii, 38, 203. 

 Califoruica, 26, 126,0 195, O231, 

 234,0 245,0 304, 351, 

 O353, P30, V213. 

 var. coarctata, 38, 47, 203, 



245, 279. 

 lamellosa, 38, 47, 203, 183, 



245, 304, P 29, V 30. 

 sitnilis, 40. 

 striata, 245. 



trigonularis, 38, 47, 105, 203, 

 24s, 279, 304, P 30. 



var, O 184. 



Cyathodonta 

 plicata, 27. 

 uiidiilata, 119. 

 Cycladella 



papyracea, 29, 257. 

 Cycladina 



Adansonii, P 108. 

 Cyolas 



acuminata, 164. 



australis, P io8. 



calyoulata, 222, P 106. 



coi-nea, 164, 210, 222,? io5, 



edeiitula, 164. 



egregia, 213, 308. 



Estrellana, 81. 



inoniata, 164. 



minor, 165. 



modesta, 164. 



iiobilis, 165. 



ovalis, 165. 



panduta, 81. 



patella, 165, 210, 308. 



permam-a, 81. 



simplex, 164. 



Spokani, 91. 



Cyclas 



striatina, 164. 

 tenuistriata, 164. 

 triangularis, 164. 

 tumida, 91. 

 Cyclina 



produota, 284, 305, S 161. 

 saccata, 305. 



subquadrata, 77, 201, 227, 

 246, 278, 305, 364, 

 P 62, S 161, U 201. 

 Cyclophorus 



ponderosus, 45. 

 transliicidus, 45. 

 Cyclostoma 



acutum, 220. 

 anatinum, 220. 

 giganteum, 185. 

 Mexicanum, 265. 

 Cyclostrema 



exoavatum, T 169. 

 octoliratum, T 169. 

 pentegoniostoma, T 169. 

 Cyolotus 



giganteus, 326. 

 Cyliclma 



Carpenter!, 34. 



(?cylindraoea, var.) attonsa, 



23, 89, i33i 169- 

 inculta, 133. 

 luticola, 34, 194, 250, 275, 



O313, P170. 

 mamillata, 133, 366. 

 planata, 133, 307. 

 tritioea, 71. 

 Cylinder 



porpliyretious, 48. 

 Cylindrella 



Gliiesbreghti, 44. 

 Liebmanui, 295. 

 Pfeifferi, 295. 

 salpinx, 44. 

 teres, 295. 

 Cymbium 



patulum, 48. 

 tuberosum, 48. 



