454 



INDEX TO GENERA. 



CycloraTinphns, 159 

 Cycluva, 95, 124 

 CjliQlina, 369 

 Cyphoma, 360 

 Cyprsea, 360 



Delphinius, 12 

 Dendrobates, 94, 102 

 Dendrophidium, 184 

 Dentalium, 369 

 Diadema, 404 

 Dicotyles, U, 12, 73, 84 

 Dicrodon, 162 

 Didelphys, 86 

 Dinenympha, 439 

 Dinotherium, 76, 80 

 Dinoziphius, 216 

 Diodon, 255 

 Dioplodon, 226 

 Diploglossus, 118 

 Diprotodon, 86 

 Dipsas, 95, 131, 177 

 Discoidea, 300 

 Distortio, 353 

 Donax, 371 

 Doryphorus, 171 

 Drillia, 337, 351 

 Driophis, 95 

 Dromicus, 139 

 Drymobius, 95, 135, 179 

 Dryiophis, 132 

 Dryophis, 177 



Eboroziphius, 224 

 Echinus, 299 

 Elaps, 95, 148, 181 

 Elephas, 73, 76, 80, 88,212,413 

 Elotheriutn, 72, 73, 80, 84 

 Endodonta, 389 

 Engystoma, 101 

 Enicognathus, 138 

 Ennalaster, 301 

 Enterobryus, 426 

 Enyalius, 169 

 Eobasileus, 71, 73, 77, 88 

 Epaphelus, 115 

 Epicrates, 95, 130 

 Equus, 78, 86, 88, 212 

 Erythrolampus, 141 

 Eucetes, 216 

 Eulima, 358 



Ennectes, 177 

 Eupachemys, 232 

 Euspira, 264 

 Exogyra, 297 



Fasciolaria, 354 

 Picimia, 141 

 Fissurella, 369 

 Fusulina, 303 

 Fusus, 264, 350 



Galeocerdo, 254 

 Gamasus, 445 

 Gastrocbsena, 210 

 Geagras. 141 

 Geomys, 72 

 Gerrhonotus, 95, 118 

 Gerrhosteus, 177 

 Gibbula, 366 

 Glyptodon, 71, 72 

 Gnathophysa, 113 

 Goniobasis, 61, 62 

 Goniodactylus, 176 

 Gouldia, 376 

 Gregarina, 431, 435, 441 

 Grythsea, 298 

 Gryphodobatis, 249 

 Gyalopium, 141 

 Gyrodes, 276 



Halitherium, 80 

 Halmaturus, 86 

 Helcion, 282 

 Helicina, 406 

 Helicops, 181 

 Heliscomys, 72 

 Helminthophis, 128 

 Helotherium, 82 

 Hemipristis, 254 

 Herpetodryas, 95, 132, 134, 135, 



178 

 Hipparion, 212 

 Hipponyx, 364 

 Hippopotamus, 78, 87 

 Hipposyus, 82 

 Homo, 71, 73 

 Homomya, 285 

 Hygrocrocis, 444 

 Hyla, 94, 103, 155 

 Hylodes, 94, 112 

 Hylorana, 114 



Hyopotamus, 73, 77, 79 

 Hyopsodus, 72, 78, 81, 88 

 Hyperoodon, 226 

 Hyperanodon, 170 

 Hypohippus, 82 

 Hypopachus, 101 

 Hypsibates, 171 

 Hypsiprymnus, 86 

 Hyrachyus, 73, 76 

 Hyracodon, 76 

 Hyrax, 74, 76 



Iguana, 124, 169 

 Isacis, 428, 441 



Janira, 347, 379 

 Julus,426 



Kuphus, 342 



Lachesis, 152 

 Laimodonta, 403 

 Lamna, 254 

 Latirus, 354 

 Leina, 293 

 Lepidosoma, 160 

 Leptognathus, 130, 177 

 Leptophis, 132, 177 

 Leptothrix, 445 

 Lepus, 71, 72 

 Libera, 390 

 Ligonirostra, 142 

 Lima, 348 

 Limax, 402 

 Limnohyus, 85 

 Limnotherium, 78, 81 

 Liophis, 95, 136, 180 

 Lithodytes, 94, 107, 155 

 Litlaophaga, 377 

 Littorina, 264 

 Liyla, 107 



Lophiodon, 73, 76, 80 

 Lucapina, 369 

 Lucina, 345 

 Lunatia, 339 

 Lycosaurus, 451 

 Lygophis, 180 

 Lygothis, 139 



Mabuia, 115,159 

 Macacus, 73 • 



