536 MUSEO NACIONAL DE BUENOS AIRES. 



Pages 



Prolicaphrium specillatum 444, 489 



Pr.olicaphrium spectabile 443, 444 



Promaucrauchenia 482, 438, 435 



Promacrachenia antiqua 432, 433 



Promacrauchenia ensenadensis 483 



Properipthychus argentinus 393, 394 



Propolymastodoii 8 



Propyrotherium . 159 



Propyrotherium saxeum 159 



Prosotherium ■ ; 88 



Prosotherium Garzoiii i .■ 88 



Prostylops .; 159 



Prostylops ty pus .". . . 158 



Proteodidelphys , . . 53, 54 



Prnteodidelphys praecursor 53, 54 



Proterütherium.. 71, 80, 81, 93, 94, 98, 106, 111, lili, 132, 133, 298, 35fi, 441, 442 

 449, 451, .455-457, 462, 467, 4(», 473, 474, 479, 480, 482, 488, 490, 492 



Proterotherium cavum 71, 73, 97, 133, 451, 463, 466 



Proterotherium cervioides 480, 481 



Proterotheriuin dichotomum 152, 462 



Proterothei'ium kai-aikense 299, 451-453, 456, 457 



Proterotherium mixtum 468 



Proterotherium perpolitum •. 464, 465, 471 



Proterotherium politum 465 



Proterotherium prosistens 133, 449, 454, 479 



Proterotherium pyramidatum 465, 46(!, 472 



Protheosodon 81, 91, 149, 1.53, 163, 192, 199, 421, 422, 43], 435 



Protheosodon coniferus 81, 94, 149, 192, 421 



Protohippus 137, 190, 194, 195, 225, 230-232, 263, 264. 277 



Protohippus mirabilis 194, 224, 225, 230, 264 



Protohippus pachyops 264 



Prothy lacynus patagonicus 21 



Prothoatherium 156, 445, 448, 460, 473, 479, 48S-490 



Prothoatherium plicatum 445, 44(5 



Prothoatherium scamnatum 156, 157, 44(), 447 



Protypotherium 88 



Pseudhippus 493 



Pseudhy rax 64, 143, 254, 255 



Pseudhyrax eutrachytheroides 51, 144, 254 



Pseudocoelüsona 193, 42(i, 427, 435 



Pseudocoelosoma patagónica 198, 427 



Pseudohipparion 2i>2, 263 



Pseudí liipparion retrusum 262 



Pseudohyaenodon 8, 9, 27 



Pseudohyaenodon Gervaisi 26, 27 



Pseudostylops 283, 288 



Pseudobtylops subquadratus . . 282 



Pterodon 8, 9, 25 



Pterodon dasyuroides 25, 26 



Pyralophodon 64, 345 



Pyraphodon pyriformis 6li, 345 



Pyrotherium 144, 1.59, 183, 217, 298, 311, 342, 345, 420, 421, 428, 436 



