450 



INDEX. 



Harlanus americamts, 372. 

 Earpagmotherittm canadense, 393. 

 Hemiaeis perdieida, 445. 

 Hemicaulodon effodiens, 440. 

 Hesperomys leucopus, 446. 

 HipparioD, 280, 401. 



affine, 286, 317, 402. 



gratum, 287, 318, 326, 402. 



occidentale, 281, 317, 326, 401. 



speciosum, 282, 318, 320, 401. 

 " venustum, 280, 401. 



Hippodon speciosus, 320, 321, 401. 

 IIi]}potherium occidentale, 401. 



" venustum, 401. 



Hippopotartnis, 392. 

 Homo, 363. 



Homocamelus caninus, 158, 382. 

 Hoplocetus obesus, 438. 

 Rorse, 399, 400. 

 Hypenodontidse, 38, 369. 

 HysenodoD, 38, 369. 



" crucians, 48, 369. 



" cruentus, 47, 369. 



horridus, 39, 369. 

 Hydrarchos, 428. 

 Bydrarchus Harlani, 427, 428. 



" macrospondyhis, 428. 



Hydrochoerus ^sopi, 407. 

 Hyopotamus americanus, 202, 389. 

 Byops depressifrons, 383. 

 Hypoliippus affinis, 311, 402. 

 Hyracodon nebrascensis, 232, 391. 

 Hystricidre, 343, 407. 

 Eystricops, 407. 

 Hi/strix vemistus, 343, 407. 



Ictops dakotensis, 351, 408. 

 Incognitum, 392, 393, 397. 

 Insectivora, 345, 408, 446. 

 Ischyromys typus, 335, 405. 

 Ischyrosaurua antiqims, 414. 

 Ischyrotlierium antiquum, 414. 

 Ixacantlius coelospoudylus, 435. 



Leidyolherhmi, 390. 

 Leporida;, 331, 403. 



Leptarctus primus, 70, 370. 

 Leptauchenia, 122, 380. 



decora, 127, 381. 



major, 124, 380. 

 " nitida, 129, 381. 



Leptictis Haydeni, 345, 408. 

 Leptochcerus spectabilis, 197, 389. 

 Leptomeryx Evansi, 165, 383. 

 Leptomylus longidens, 445. 

 Lepus sylvaticus, 403, 445. 

 Leviathan Missourii, 395. 

 Lobodon vetus, 415. 

 Lophiodon, 239, 391. 



" bathygnathus, 372. 



occidentalis, 239, 391. 

 Lophocetus calverteusis, 435. 

 Loxomylus longidens, 407, 445. 



Machairodus occidentalis, 367. 



" priincevus, 367. 



Macrophoca atlantica, 416. 

 Mavionteum, 392. 

 Mammoth, 392, 397, 398. 

 Mammut ohioctium, 392. 

 Manatus, 414. 



" americanus fossilis, 414. 

 " antiquus, 414. 

 " giganteus, 414, 

 Marsupialia, 410. 

 Mastodon, 393. 

 Mastodon, 240, 392, 393. 



? 242,244. 



" americanus, 240, 392. 

 audium? 397. 

 angustidens, 246, 394, 396. 

 " Cha2:)mani, 248. 

 " Collinsii, 395. 



Cuvieri, 394. 

 " glganteum, 393. 



giganteus, 394, 396, 397. 

 Jeffersoni, 394. 

 " longirostris, 244, 396. 

 " maximus, 394. 



rairificus, 249 396. 

 " obscurus, 396. 



