Palaeocavia impar: 4*'^. 



Palaeocavm minuta: 475. 4S3. 53 j. 



Palaeocavia pampaea: 475, 483, 532. 



Palaeocodon: 511. 



Palaeocyon troglodytes : 533. 



Palaeocyort validus: 533. 



Palaeochoerus: 515, 519. 



Palaeoerinaceiis: 520. 



Palaegoale: 520. 



Palaeolagus: 520. 



Palaeolama: 443, 488, 492, 497, 524. 527, 



Palaeolama leptognatha: 477., 484, 535. 



Palaeolama major: 477, 484. 535. 



Palaeolama mesolithica: 443, 495. 535. 



Palaeolama promesolilhica: 443, 477. 



Palaeomeryx: 519, 523, 524. 



Palaonicteris: 521. 



Palaeonictis: 511. 



'Palaeoprionodon : 516. 



Palaeoreas: 523. 



Palaeosyops: 509. 



Palaeciheridae : 397. 



Palaeotherium : 515. 



Palaeotragus: 523. 



Palauchenia: 524, 527. 



Pampatherium: 336. 



Pampatlierium typus: 336. 



Panochtus: 177. 181, 182, 183, 185, 186, 188, 

 192, 195, 204, 205, 206, 207, 208, 236, 

 252, 253, 254, 287. 294, 295, 296, 297, 

 300, 303, 309, 311, 312, 313, 314, 315, 

 317, 3^9, 321, 322, 323, 324, 329. 333, 

 381, 382, 472, 4S8. 489, 492, 521, 526. 



Panochtus Brochen ?: 295. 



Panochtus bullifer: 186, 305, 307, 309, 47 



Pano.chtus clavicaiidatus: 185^ 186. 



Panochtus Frenzelianus: 306, 307, 480, 

 537. 



Panochtus giganteus: 325. 



Panochtus Lundi: 1S6, 1S7, 255. 



Panochtus Morenoi: 191, 304. 305. 306, 

 480, 486. 537. 



Panochtus Nodotianus: 309, 480. 



Panochtus Trouessarti: 287. 



Panochtus tuberculatus: 182, 1S3. 184, 

 192. 220, 295. 302, 304. 305, 306, 307. 

 309. 316, 325, 480, 486, 537. 



Panochtus Vogti: 308, 480, 486, 537. 



Panolax: 524. 



Pantodonta: 397, 401. 405. 449, 453. 513, 



Pantolambda: 510. 



Pantolambdidae: 397. 



Pantolestes: 509. 



Pantolestidae: 397. 



Paraceros: 472, 488, 489. 492, 518, 523. 



Paraceros avius: 470. 



Paraceros ensenadensis: 478, 484, 535. 



Paraceros fi-agilis: 478, 484, 535. 



Paraceros vulneratus: 478, 484, 535. 



Paradoxomyidae: 459, 466. 



Paradoxomys: 464, 515. 



Paradoxomys cancrivorus: 459. 



Paradoxomys patagonicus: 459. 



Paramys: 510. 



Paranomys typicus: 410. 



Parasorex : 520. 



Passalacodon : 511. 



Patriarclius: 457, 509. 



Patriarchus palmidens: 452. 



Patríofelis: 512. 



Pedimana: 398, 4or. 405, 469. 475, 495, 501 



512, 516, 521, 525, 529. 

 Pedomys: 529. 

 Pedotherium: 439. 

 Pedotherium insigne: 439. 

 Pelonax: 519, 



Peltateloidea: 176, 376, 377, 3S0, 382, 399, 401 



405. 454- 

 Peltepbilus: 345. 376, 457, 513. 

 Peltephilus pumilus: 346, 454. 

 Peltephilus strepens: 346, 454. 

 Pelycodus: 508. 



Pelycosauria: 393. 394> 401, 405. 

 Pellegrinia: 529. 

 Peraceras: 518. 

 Peramelia: 398, 401, 405. 

 Peramelidae: 398. 

 Peratheridae: 398. 

 Peratherium: 516, 5^1. 

 Perchoerus: 519. 

 Perimys: 456, 464, 511, 515. 

 Perimys erutus: 413, 450. 

 Penrays onustus: 450. 

 Perimys procerus: 450. 

 Perimys Scalabrinianus: 413, 460. 

 Periptychidae: 396. 

 Periptychus: 508. 

 Perissodactyla: 396, 397, 401. 452, 4Ó1, 469, 



476, 495. 502. 

 Pinnipedia: 398, 40: 

 Pithanotomys: 472, 

 Pithanotomys columnaris: 468. 

 Pithanotomys cordubensis: 475, 483. 

 Pithanotomys intermedius: 46S. 

 Pithanotomys macer: 468, 

 Pithanotomys simils: 468. 

 Pithecidae: 396. 499. 505. 

 Pithecistes: 523. 

 Pitimys: 529. 

 Plagiaulacidae: 398. 405. 

 Plagiaulacoidea: 398, 401, 405, 42S, 451. 511, 



513. 516. 517, 520. 

 Plagiaulax: 455. 

 Plagiolophus: 515. 

 Planodus: 457, 510. 

 Planodus ursínus: 453. 

 Planops: 53, 60, 457, 512. 

 Planops longirostratus: 6n, 453. 

 Planungulata: 395, 396, 401, 46S. 474. 494. 499- 

 Plataeomys: 472, 519, 524. 



Plataeomys scindens: 468. 475. 483. 532. 

 Platanistidae: 383, 384, 385. 399- 

 Platatherium: 443. 497, 524, 528. 

 Platatherium pampaeum: 443, 496, 535. 

 Platyarthra: 396, 401, 405. 

 Platygnathus platensis: 84, 85. 

 Platygonus: 524, 529. 

 Platyodon: 107. 108, 48S, 526. 



405- 

 87, 4S9. 



