INDEX. 



495 



Hatcher, J. B., 2, 13, 39, 42, 86, 136, 153, 

 154, 211, 236, 249, 296, 323, 365, 

 384, 428, 457, 474, 485 

 Hauthal, R., 2 

 Hedimys, 460, 472 

 Hedymys, 460 

 Hoplophorus, 107, 115 



anstralis, 135 

 Huxley, T. H., 123 

 Hydrochoerus, 386, 388, 471 

 Hyperleptus, 178, 236, 261, 267, 271 



garzonianus, *i62, 262 



litoralis, 262 



schissognathus, 262 



sectus, 264 



s fetus, 213 

 Hystricomorpha, 384, 387, 388, 389 



I 



NSECTIVORA, 365 



- ANNABATEOMYS, 385, 410 



Kerodon, 386 

 Killik Aike, 39, 86, 153, 249, 250, 296, 323, 

 428, 457 



J^AGIDIUM, 386, 435, 459 

 Lagostomus, 434, 450 

 later alis, 457 

 primigeniiis, 457 

 trichodactylus, 449 



Lake Pueyrredon, 154, 249, 250, 253, 485 

 Leche, W., 379 

 Lehmann-Nitsche, R., 2 

 Leidy, J., 192, 201, 343 

 Lestodon, 163, 178 

 Lomomys, 385, #oj 

 evexus, 404 

 insulatus, 403 



Loncheres, 385, 405, 406, 410, 411 

 Loncherinas, 385, 387, 4.04. 

 Loricata, 362, 363 

 Luanthus, 388, 472 

 Lydekker, R., 118, 130, 134, 142, 213, 238, 



266, 267, 269, 381 

 Lymodon, 346 

 auca, 353 



Lymodon perfectus, 347, 353 



A/TACROEUPHRACTUS, 5 

 Mecorhinus, 180 



primus, 261 



Megalonychidae, 3, 161, 165, 166, 167, 168, 

 169, 170, 174, 175, 177, 77,?, 180, 

 233, 267, 281, 294, 295, 321, 322, 



329, 330, 335, 338, 339, 34', 343, 

 344, 345, 346, 347, 34, 35, 35', 

 363 



Megalonychotherium, 163, 181, 2j8 

 atavus, *i62, *i64, "165, 279 



Megalonyx, 171, 173, 175, 177, 180, 181, 

 183, 186, 188, 191, 192, 193, 195, 

 196, 198, 199, 200, 20 1, 202, 203, 

 205, 228, 267, 278, 279, 280, 285, 



2 9 2 , 3!5, 343, 3 61 

 jeffersoni, 278, 279, 280 

 Megatheriidae, 3, 166, 178, 320, 322, 329 

 Megatherium, 170, 172, 174, 178, 187, 192, 

 225, 228, 244, 267, 287, 321, 329, 



330, 33i, 335, 338, 339, 340, 341, 

 342, 343, 344 



Mercerat, A., 99, 104, 118, 134, 135, 211, 



266 



Mesohippus, 483 

 Mesomys, 385 

 Metopotoxus, 108, 109, 1 10, in, 112, 146, 



'56 



anceps, 157, 158 

 laevatus, 156, 757, 158, 159 

 Metopotherium, 295, 308 

 Mice, 425 



Migration, Miocene, 384, 425 

 Monotremata, 358 

 Moreno, F. P., 2, 99, 104 

 Murines, 425 

 Mylodon, 169, 170, 174, 178, 187, 188, 192, 



198, 205, 226, 228, 234, 267, 286, 



335, 336, 341, 345, 346, 348, 349, 



350, 351, 357 

 Mylodontidse, 3, 5, 161, 162, 163, 166, 167, 



168, 169, 171, 177, 178, 34.5, 351, 



354, 362, 363 

 Myocastor, 385, 387, 389, 391, 392, 393, 



