ii. 196
_Hyænidæ_, European Miocene, i. 118
HYÆNIDÆ, ii. 196
_Hyænodon_, European Miocene, i. 118 European Eocene, i. 125 N. American Tertiary, i. 134
_Hyænodontidæ_, European Miocene, i. 118
HYALEIDÆ, ii. 531
_Hyalimax_, ii. 517
_Hyalina_, ii. 515
_Hyalosaurus_, ii. 392
_Hyantis_, ii. 472
_Hybocystis_, ii. 520
_Hyborhynchus_, ii. 452
_Hydrocena_, ii. 521
_Hydrochelidon_, ii. 364
_Hydrochoerus_, N. American Post-Pliocene, i. 130
_Hydrochoerus_, ii. 241
_Hydrocissa_, ii. 317
_Hydrocyon_, ii. 445
_Hydrogale_, ii. 199
_Hydromedusa_, ii. 408
_Hydromys_, ii. 230
_Hydrophasianus_, ii. 355
HYDROPHIDÆ, ii. 384
_Hydrophis_, ii. 384
_Hydropotes_, ii. 219
_Hydropsalis_, ii. 319
_Hydrornis_, European Miocene, i. 162