286 



INDEX OF GENERA AND SPECIES. 



HAMITES, 130, 212. 



ajinulifer, 143. 



quadratus, 139, 213. 



Vaneouvercnsis, 212. 

 HAYDENIA, 219. 



impressa, 219. 

 HELCION, 230, 



circularis, 230. 



dicbotoma, 230. 

 HELICANCYLUS, 140, 214. 



sequicostatus, 141, 214. 

 HELICAULAX, 166, 226. 



bicarin&ta, 166, 226. 



costata, 167, 226. 

 HELICOCERAS, 212. 



vermicularis, 212. 



Brcvverii, 213. 



declive, 213. 

 HELIX, 88. 



facta, 88. 



Hillebrandi, 88. 



Mormonum, 88. 



Tryonii, 88. 



tudiculata, 88. 

 Hemifusus, 158, 221. 



Cooperii, 159, 221. 



Hofnii, 158. 221. 



Remondii, 158, 221. 

 HEMIMACTRA, 19, 54, 90. 



lenticularis, 19, 90. 



occidentalis, 54, 91. 

 Here, 29, 100. 



Richtfwfeni, 100. 

 HETEROTERMA, 151, 217. 



trocboidea, 151, 217. 

 HINNITES, 105. 



crassa, 105. 



Hinnites giganteus, 105. 



Poulsoni, 105. 

 HIPPONYX, 82. 



Graj^anus, 82. 

 Hippurites, 63. 

 HOMOMYA, 179, 236. 



eoncentrica, 179, 236. 

 Hypogella, 89, 175, 233. 



cuneatus, 175, 233. 



Dicgoensis, 176, 233. 



protexta, 89. 



IDMONEA, 109. 



Califoruica, 109. 

 INOCERAMUS, 193, 246. 



Elliotii, 193, 246. 



Piochii, 191, 194, 245, 247. 



subundatus, 247. 



Whitneyi, 193, 246. 



JANIRA, 104. 

 bella, 105. 

 dentata, 104. 



LACUNA, 80. 



carinata, 80. 



solid ul a, 80. 

 Lsevicardium, 99, 187, 242. 



annulatum, 187, 242. 



elatum, 99. 



linteum, 242. 



substriatum, 99. 

 LEDA, 103, 121, 197, 250. 



cselata, 103. 



