558 



MUSEO NACIONAL DE BUENOS AIRES. 



Parasteiromj-s uniformis, 366. 

 Parastrapotherium, 470-472, 474, óOti. 

 Paratemnus, 468. 

 Pareutatus, 480. 

 ParhalmarhijDlius, 358, 479. 

 Parhapalops, 479. 

 Parutaetus, 468. 

 Patella pygmaea, 503. 

 Patriarchippus, 467. 

 Patriarchippus, annectens, 312. 

 Patriarclius, 268, 476, 478. 

 Paulogervaisia, 330, 336, 341. 467, 470, 



.507. 

 Paulogervaisia inusta, 329. 

 Paurodon, 38. 

 Pectén, 508. 



Pectén ai'gentinus. 508. 

 Pectén bagualensis, 56. 

 Pectén centralis, 137, 141. 

 Pectén malignus, 56, 508. 

 Pectén molestus, 56. 

 Pectén oblongusvar. pyramidesia, 2-56. 

 Pectén paranensis, 502. 

 Pectén patagonensis, 501. 

 Pectén piconus, 510. 

 Pectén proximus, 137, 141. 

 Pectunculus camaronesius, 123, 505. 

 Pectunculus cuevensis, 162, 256. 

 Pectunculus Ibari, 161, 162. 

 Pectunculus niagellanicus, 161, 162. 

 Pectunculus pulvinatus, 162. 

 Pectunculus pulvinatus var. cuevensis, 



162. 

 Pectunculus subtrigonus, 123, 505. 

 Pedetes, 414. 

 Pedetes cafer, 413, 414. 

 Pelecyodon, 475, 479. 

 Pellegrinia, 415. 

 Peltecoelus, 475. 



Peltephilus, 268, 472, 475, 477, 480, 482. 

 Peltephilus ferox, 504. 

 Perathereuthes, 479. 

 Peratherium, 389. 

 Perhippidion, 474. 

 Periacrodon, 344, 470. 

 Periacrodon lanciformis, 343. 

 Perimys, 215, 241, 474, 475, 476, 478, 481. 

 Peripantostylops, 320, 467. 

 Peripantostylops minutus, 507. 

 Periptychus, 295, 298. 

 Perna quadrisulcata, 505. 

 Petricola patagónica, 279. 

 Petromys, 415. 

 Petromys typicus, 414. 



Phacoides neglecta, 515. 



Phacoides iDromaucana, 515. 



Phacoides rocana, 51. 



Phanomys, 242, 419, 476. 



Phanomys mixtus, 419, 420. 



Phanomys vetulus, 419. 



Phanophilus, 471. 



Pharsophorus, 352, 472. 



Pharsophorus lacerans, 849. 



Phenacodus, 295. 



Phenacodus primitivus, 294. 



Phenacodus trilobatus, 294. 



Phenacodus Wortmanni, 294. 



Philine patagónica, 161, 514. 



Phocaena, 492. 



Phoenixauchenia, 483, 501. 



Phoenixauchenia tehuelcha, 268. 



Pholadomj-a pholadoides, 57. 



Phonocdromus, 479. 



Photinula detecta, 161, 514. 



Photinula resurecta, 514. 



Photinula virginalis, 161, 514. 



Phtoramys, 415, 484. 



Phugatherium, 485. 



Phyllotis, 486, 490, 491. 



Physeter, 490, 492. 



Physodon, 473. 



Pichipilus, 476, 479. 



Pilchenia, 472, 476. 



Pinna Morenoi, 56. 



Pinna semicostata var. inagellanica. 



504. 

 Pithanotomys, 483, 485, 486, 501. 

 Pithecanthropus, 433, 443, 444. 

 Pitheculites, 423-426, 451. 473, 50-5. 

 Pitheculites minimus, 425. 

 Pitheculus, 424, 477. 

 Pitheculus australis, 430. 

 Placosaurus, 379, 453-455. 458, 459. 

 Placosaurus rugosus, 4.53, 454. 

 Placunanomia juliensis, 505. 

 Placunanomia pap^-racea, 502. 

 Plagiarthrus, 471. 

 Plagiaulax, 357. 

 Plagiodonta, 241. 

 Planodus, 327, 476. 

 Planops, 479. 

 Plataeomys, 415, 485. 

 Plataeomys scindens, 414. 

 Platatheriura, 488. 

 Platypygus, 171. 



Platypygus posthumus, 137, 142,169,505 

 Plaxhaplus, 485, 490. 

 Plesiadapis, 298, 421, 423. 



