684 



INDEX. 



Hybognathus, 219 2 . 

 Hyborhynchus, 219 2 . 

 Hybridism, Teleostei, 



211. 

 Hybrids, 219 1 , 219 2 , 



220 2 . 



Hydaspitherium, 590 1 . 

 Hydrablabes, 367 1 . 

 Hydraethiops, 367 1 . 

 Hydraspis, 414 2 , 

 Hydrelaps, 370 1 . 

 Hydrocalamus, 369 2 . 

 Hydrochoerus, 635 2 . 

 Hydrocyon, 217 2 . 

 Hydrolagus, 158. 

 Hydromedusa, 414 2 . 

 Hydromorphus, 367 2 . 

 Hydromys, 633 1 . 

 Hydrophasianus, 467 2 . 

 Hydrophis, 370 1 , SjO. 

 Hydropotes, 589 2 . 

 Hydrops, 367 2 . 

 Hydropsalis, 472 l . 

 Hydrosaurus, 352 l . 

 Hydrus, 369 2 . 

 Hyla, 295, 311 1 . 

 Hylactes, 475 1 . 

 Hylambates, 313 1 . 

 Hylella, 311 1 . 

 Hylixalus, 313 1 . 

 Hylobates, 661 1. 

 Hylodes, 296, 31 1 2 . 

 Hyloplesion, 315 2 . 

 Hylopsis, 311 2 . 

 Hylorhina, 311 2 . 

 Hymen, 516. 

 Hymenocephalus, 232 2 . 

 Hymenochirus, 265, 



310 1 . 



Hynnis, 239 2 . 

 Hynobius, 306 1 . 

 Hyoid arch, 62. 

 Hyoid segment, 73. 

 Hyo-mandibular, 62, 



129. 



Hyomoschus, 588 1 . 

 Hyopotamus, 582, 583, 



583 2 . 



Hyoprorus, 224 2 . 

 Hyopsodus, 653 1 . 

 Hyostylic, 62. 

 Hyperoartia, 116. 

 Hyperodapedon, 334. 

 Hyperolia, 31 1 2 . 

 Hyperoodon, 562 2 . 

 Hyperopisus, 214 1 . 

 Hyperotreta, 116. 

 Hyperpharyngeal 



groove, 22, 23. 



Hybodus, 151 1 . 

 Hypnos, 154. 

 Hypobranchial, 130. 

 Hypocentrum, 161. 

 Hypoclydonia, 234 2 . 

 Hypogeomys.eSS 1 , 634 1 . 

 Hypogeophis, 278, 304. 

 Hypoglossal nerve, 321. 

 Hypoischium, 342. 

 Hypomesus, 216 2 . 

 Hypopachus, 312 1 . 

 Hypopharyngeal 



groove, 22, 23. 

 Hypophthalmichthys, 



220 1 . 



Hypophthalmus, 221 2 . 

 Hypophysis, 72. 

 Hypoprion, 151 l . 

 Hypoptopoma, 222 1 . 

 Hyporhachis, 421. 

 Hyporhamphus, 231 1 . 

 Hypostomides, 230. 

 Hypsagonus, 242 2 . 

 Hypsiglena, 367 2 . 

 Hypsignathus, 646 2 . 

 Hypsilophodon, 387 1 . 

 Hypsiprymnodon, 536 1 . 

 Hypsiprymnopsis, 541 2 . 

 Hypsiprymnus, 535 2 . 

 Hypsirhina, 368 2 . 

 Hypsirhynchus, 367 2 . 

 Hypsocormus, 181. 

 Hypsodont, 505. 

 Hypural bones, 55, 56. 

 Hyrachinus, 601 2 . 

 Hyracodon, 538 1 , 601 2 . 

 Hyracoidea, 565. 

 Hyracops, 610, 611 1 . 

 Hyracotherium, 599 1 , 



599. 



Hyrax, 502, 566 2 . 

 Hysterocarpus, 237 1 . 

 Hystricodon, 217 2 . 

 Hystricomorpha, 635 1 . 

 Hystrix, 635 2 . 



laltris, 369 1 . 



Ibex, 591 2 . 



Ibis, 461 2 ; sacred, 461 2 ; 



scarlet, 461 2 . 

 Ibycter, 463 2 . 

 Icelinus, 242 2 . 

 Icelus, 2421. 

 Ichneumon, 620 1 . 

 Ichnotropis, 353 1 . 

 Ichthyborus, 217 2 . 

 Ichthyocampus, 230 l . 

 Ichthyodectes, 215 1 . 

 Ichthyodorulites, 262. 



Ichthyomys, 634 1 . 



Ichthyomyzon, 116. 



Ichthyophis, 304. 



Ichthyopsida, 50, 264. 



Ichthyopterygimn, 52. 



Ichthyornis, 438, 460 l . 



Ichthyornithes, 460 l . 



Ichthyosauria, 391. 



Ichthyosaurus, 392, 395. 



Ichthyotomi, 147. 



Icichthys, 231 2 . 



Icochilus, 607 2 . 



Icosteus, 231 2 . 



Ictalurus, 222 1 . 



Icteridae, 478 1 . 



Icticyon, 622 1 . 



Ictiobius, 218 2 . 



Ictitherium, 620 2 . 



Ictonyx, 624 1 . 



Id, 220 1 . 



Idiopholis, 367 2 . 



Idiurus, 632 l . 



Iguana, 351 l . 



Iguanodon, 386, 386. 



Ilisha, 214 2 . 



Ilyophis, 224 2 . 



Ilysia, 366 1 . 



Incubation, birds, 453. 



Incus, 498. 



Ind.= India. 



Indicator, 474 1 . 



Indris, 651 2 . 



Indrodon, 653 1 . 



Inferior pharyngeal 

 bones, 192. 



Inferior vena cava, Am- 

 phibia, 290 ; Dipnoi, 

 254. 



Infraclavicle, 162. 



Infratemporal arcade, 

 319. 



Infundibular gland, 72. 



Infundibulum, 67. 



Inia, 563 '. 



Insectivora, 636 ; vera, 

 641 2 . 



Insectolophus, 594 1 . 



Intercentral bone, Rep- 

 tilia, 318. 



Interclavicle, Mam- 

 malia, 490. 



Interodon, 545 2 . 



Interspinous bones, 185. 



Iphisa, 352 2 . 



Ipnops, 187, 226 1 . 



Iridio, 238 1 . 



Irrisor, 471 2 . 



Ischnacanthus, 147. 



Ischnoglossa, 648 2 . 



