286 



INDEX OF GENERA AND SPECIES. 



IIamites, 139, 212. 



annulifer, 143. 



guadratus, 139, 213. 



Vancouverensis, 212. 

 Haydenia, 219. 



impressa, 219. 

 Helcion, 230. 



circularis, 230. 



dichotoma, 230. 

 Helicancylus, 140, 214. 



sequicostatus, 141, 214. 

 Helicaulax, 166, 226. 



bicarinata, 166, 226. 



costata, 167, 226. 

 Helicoceras, 212. 



vermicularis, 212. 



Brewerii, 213. 



declive, 213. 

 Helix, 88. 



facta, 88. 



Hillebrandi, 88. 



Mormonura, 88. 



Tiyonii, 88. 



tudiculata, 88. 

 Hemifusus, 158, 221. 



Gooperii, 159, 221. 



Hornii, 158, 221. 



Bemo?idii, 158, 221. 

 Hemimactra, 19, 54, 90. 



lentieularis, 19, 90. 



occidentalis, 54, 91. 

 Here, 29, 100. 



Richthofeni, 100. 

 Heteroterma, 151, 217. 



trochoidea, 151, 217. 

 Hinnites, 105. 



crassa, 105. 



Hinnites giganteus, 105. 



Poulsoni, 105. 

 Hipponyx, 82. 



Grayanus, 82. 

 Hippurites, 63. 

 Homomya, 179, 236. 



concentriea, 179, 236. 

 Hypogella, 89, 175, 233. 



cuneatus, 175, 233. 



Diegoensis, 176, 233. 



protexta, 89. 



Idmonea, 109. 



Californica, 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. 



solidula, 80. 

 Laevicardium, 99, 187, 242. 



annulatum, 187, 242. 



elatum, 99. 



lintcum, 242. 



substriatum, 99. 

 Leda, 103, 121, 197, 250. 



caelata, 103. 



