MÍ( 



obiolhe 



458. 



i, 401, 405, 450 

 Microbiotheridae: 39S, 401, 405. 4 

 Microbiotherium: 456, 511. 

 Miciiobiotherium patagonicum: 450. 

 Microbiotherium tehuelchum: 450. 

 Microcavia: 4"^. 487. 489, 49i. 5i9. S^S- 

 Microcavia dubia: 475, 483, 53-- 

 Microcavia intermedia: 475, 483, 532. 

 Microcavia prona: 468. 

 Microcavia robusta: 475, 483, 532. 

 Microcavia typica: 475, 483, 532. 

 Microcavia uncinata: 475, 483, 532. 

 Microchoeridae ?: 396. 

 Microchoerus: 514. 

 Micromeryx: 519. 

 Microsyops: 508. 

 MioJophus: 512. 

 Mixochoerus: 515. 

 Mixodectes: 507. 

 Mixodectidae: 396. 

 Monodon: 38S. 

 Monodontidae: 383, 3S7, 399. 

 Monotremata: 392, 394, 399. 4oi- 

 Morenia: 464, 515. 

 Morenia complacita: 459. 

 Morenia elephantina: 459- 

 Moropus: 521, 526. 

 Morotherium; 526. 

 Moscbus: 519. S24- 

 Mouillacitlierium: 515. 

 Muletia septímcincta: 348. 

 Muridae: 397. 

 Mus: 529. 

 Muscardinus: 529. 

 Mustela: 520, 5^5. 5-7. 529- 

 Mustelidae: 398, 476. 493, 495. 49S, 501, 5. 

 Myacidae: 398. 

 Mycetes: 503. 

 Mycetes carayá : 499. 



133. 134. 135, 137, 

 147. 149. 151. 152, 



138, 139, 140 



153. "54. 153 



156, 



168, 170. 172, 



445, 4S8, 492, 498, 526, 527 

 Mylodcn ainbiguus: 134. 

 Mylodon annatus: 97, 

 Mylodon Darwini: 87, 88, 8c 



138, 142, 144. 

 Mylodon giganteus: 65, 84, i 



90, 91, 96. 97, 100. 

 Mylodon gracilis: 86, 88, 156, 

 Mylodon Ilarlani: 137. 

 Mylodon intermedius: ; 

 Mylodon Lettscmi : 164, 

 Mylodon Martinii: 153, 

 Mylodon Ovveni: 158, i 

 Mylodon ? paranensis; 154. 

 Mylodon robustiis: 50, 86, 87, 88, 90, 91, 



102, 137, 149, J5I, 152, 153, 153, 156, 



139, 4/9, 485. 496, 536. 



4-9, 485 



164. 



36. 



165, 479, 48S^ S36. 

 i2, 153. 479, 485, 536. 



Mylodon robustns intei 

 Mylodon robustns majo 

 Mylodon Sauvagei: 151 

 Mylodon Wieneri: 140, 

 Mylodon Zeballosi: 144. 

 Mylodontidae: 22, 146, 175, 176, 399, 444, 453, 



45S, 462, 467, 470, 473, 479, 490, 493, 498. 

 Myogale: 520, 523, 529. 

 Myogalidae: 398, 

 Myülagus: 520, 524. 529. 

 Myopotamus: 410, 412, 464, 472, 482, 4S7, 488, 



491. 497. 504. 51S. 519. 524, 529, 532. 

 Myopotamus coypus: 409, 494, 500, 532. 

 Myopotamus diligens: 468. 

 Myopotamus obesus: 409, 459. 

 Myopotamus pai-anensis; 459. 

 Myopotamus priscus: 474, 482. 532. 

 Myoxidae: 397. 

 Myoxus: SI 5, 519, 524, 529. 

 Myrmecobia: 398. 401, 405. 

 Myrniecobidae: 398. 

 Myrmecophaga: 12, 13, 504. 

 Myrniecopbaga jubata: 13, 503, 537. 

 Myrmecojíhaga tetradactyla; 

 Myrmecophagidae: 11, 12, 399, 

 Mysops: 510. 

 Mysaracline: 520. 

 Mystacoceta; 3S3, 3S9, 399, 401 



N 



503. 



S37- 

 505- 



Nanohyus: 519. 

 Nasua: 429, 430, 304. 

 Nasua narica: 501, 533. 

 Necrolemur: 514. 

 Necromys: 487, 488, 491, 524. 

 Necromys conifer: 474, 482, ; 

 Nectomys squamipes; 531. 



485. 535. 



Neoracanthus platensis: 535. 

 Neoreomys: 456, 510. 

 Neoreomys australis: 450. 

 Neoreomys decisus: 450. 

 Neoreomys índivisus: 450. 

 Neoreomys insulatus: 450. 

 Neothoracophorus: 204, 22S 

 3S1, 3S2. 488, 489, 492, 52 



