AMEGHINO: LES FOEMATIONS SÉDIMENTAIEES. 



561 



Pyralophodon, 471. 



Pyropsis, 59. 



Pyropsis gracilis, 56, 511. 



Pyrotherium, 44-46, 73, 75, 84, 90, 97,"' 

 215, 285, 471, 472, 506. 



Pyrotherium (couches á), 23, 25, 42, 43, 

 45, 61, 63, 68, 75,76, 85, 87, 88, 90, 97- 

 99, 101, 108, 109, 111, 112, 114, 115, 

 117, 125, 166, 167, 175, 201-203, 206, 

 207, 215, 216, 221-223, 252, 309. 



Pyrotherium (faune du), 19, 25, 45, 46, 

 61, 83, 85, 114, 221, 276, 277, 331, 332, 

 336, 338-341. 



Pyrotherium crassidens, 333. 



Pyrotherium pluteum, 333. 



Pyrotherium Romeroi, 333. 



Pyrotherium Sorondoi, 331-333. 



Pyrotherium trilophodon, 333. 



Pyrula, 51. 



R. 



Eaja, 183. 

 Eanculcus, 482. 

 Eathymotherium, 485, 

 Eeithrodon, 48í)-491. 

 Eetepora, 199. 



Eetepora quadripunctata, 190. 

 Eeticulipora patagónica, 191. 

 Eetusa scutala, 56. 

 Eeussia, 190. 

 Eeussia Seguenzai, 192. 

 Ehadinotherium, 478. 

 Ehamphostomella, 199. 

 Ehamphostomella perforata, 190. 

 Ehynchippus, 313, 471, 506. 

 Ehynchippus pumilus, 312, 313. 

 Ehynchonella patagónica, 141, 142. 

 Ehynchonella plicigera, 48, 49, 132, 137, 

 142, 505. 



Ehynchonella squamosa, 137, 141. 

 Eibodon, 407, 481, 501. 

 Eicardolydekkeria, 299, 467, 

 Eicardolydekkeria cinctula, .SOO. 

 Eicardolydekkeria praerupta, 300. 

 Eicardowenia, 334, 340, 341, 471, 472. 

 Eicardowenia mysteriosa, 336. 

 Eodiotherium, 336, 337, 341, 472. 

 Eostellaria, 47, 510. 

 Eostellaria chubutensis, 47, 51. 

 Eostellaria Cossmanni, 47, 51. 

 Eostellaria patagonensis, 51. 

 Eostellaria striatissima, 47. 

 Eostellaria Eothi, 51, 53. 

 Euscinomys. 415. 

 Eutimeyeria, 467, 5U7. 



s. 



Sadypu?, 470, 472. 



Sagatherium, 310. 



Sagatherium antiquum, 305, 310. 



Saimiris, 444-446. 



Saimiris boliviensis, 442, 445, 446. 



Scabellia, 467. 



Scalabrinitherium, 235, 252, 268, 480, 



481, 502, 503. 

 Scalaria, 56. 



Scalaria chubutina, 256. 

 Scalaria fallax, 56, 508. 

 Scalaria magellanica, 249. 

 Scalaria rugulosa, 134, 135, 137, 141. 

 Scalaria Steinnmanni, 51. 

 Scaldicetus, 473. 

 Scapanorhj^nchus, 71, 18(5, 187. 

 Scapanorhynchus aciculus, 71. 

 Scapanorhjmchus complanatus, 71. 

 Scapanorhj'nchus denticulatus, 70. 

 Scapanorhynchus elongatus, 70. 

 Scapanorhynchus gigas, 70, 507. 

 Scapanorhynchus Lewisi, 70. 



Scapanorhynchus lissus, 71. 177, 184, 



518. 

 Scapanorhj'nchus minor. 70. 

 Scapanorhynchus raphiodon, 70, 507, 

 Scapanorhj'nchus semistriatus, 70. 

 Scapanorhynchus subulatus, 98, 177, 



184, 505-507, 518. 

 Scapanorhynchus tricarinatus, 71. 

 Scaphella alta, 504. 

 Scaphella magellanica, 279. 

 Scaphops, 472. 

 Scapteromys, 491. 

 Scelidodon, 235, 480, 482, 484, 485, 487, 



500, 503. 

 Scelidodon patrius, 501. 

 Scelidotheriops, 479. 

 Scelidotherium, 487-489. 

 Scelidotherium leptocephalum, 500. 

 Schismotherium, 475, 479. 

 Schistomys, 242, 476, 478. 

 Schistomys Eollinsi, 418. 

 Schizaster, 169-171. 



