548 



:\1USE0 NACIONAL DE BUENOS AIEES. 



Cebus, 444, 445, 491. 



Cebus cirrifer, 436. 



Cellaria, 199, 200. 



Cellaria angustiloba, 189, 197. 



Cellaria contigua, 197. 



Cellaria contigua var. tinguiculata, 189. 



Cellaria patagónica, 189. 



Cellaria subsetigera, 189. 



Cellarina, 199. 



Cellarina patagónica, 189. 



Cellepora, 199. 



Cellepora globularis, 191, 197. 



Cellepora mamillata, 190, 197. 



Cephalomys, 365, 420, 472. 



Cephalomys arcidens, 414. 



Cephalomys plexus, 421. 



Cephalomys jDrorsus, 364, 365. 



Cephanodus, 830, 341, 467. 



Cephanodus colligatus, 329. 



Ceratodus, 20, 21, 98. 



Ceratodus Iheringi, 71, 506. 



Ceratosaurus, 39. 



Cercomys, 241. 



Cerepthiosis pulla, 279. 



Cerodon, 488-491. 



Cetotherium, 481. 



Chaetomys, 241. 



Chalichotherium, 318. 



Chalichotherium giganteum, 320. 



Chinchilla, 241, 491. 



Chione, 274. 



Chione chiloénsis, 515. 



Chione Cossmanni, 515. 



Chlamydophorus, 488, 492. 



Chlamydotherium, 252, 482, 484, 485, 



487, 488, 502. 

 Chlamys, 512. 



Chlamys actinodes, 256,265, 501. 

 Chlamys deseadensis, 501. 

 Chlamys espejoana, 504. 

 Chlamys geminata, 123, 256, 505. 

 Chlamys jorgensis, 504. 

 Chlamys juliana, 505. 

 Chlamys laziarina, 501. 

 Chlamys jiaranensis, 256. 

 Chlamys patagonensis negroina, 50. 

 Chlamys salamanca, 47, 50, 512. 

 Choeropotamus, 344, 405. 

 ChoeropotaiTius affinis, 343. 

 Choichephilum. 475. 

 Choichephilum diastematum, 505. 

 Chriacus, 283. 

 Chrysochloris, 389. 

 Chrysocyon, 400, 402, 440. 



Cidaris, 172. 



Cidaris antárctica, 134, 135, 172. 



Cidaris julianensis, 172. 



Cinulia, 59. 



Cinulia australis, 509. 



Cinulia pauper, 56. 



Cladoclinus, 479. 



Cladodidelphys, 485, 501. 



Cladosictis, 354, 474, 479. 



Cladosictis externa, 505. 



Cladosictis Trouessarti, 358, 354. 



Claenodon, 283, 467. 



Clenia, 422. 



Clenialites, 421-423, 425, 473, 505. 



Clenialites minusculum, 422. 



Cochilius, 4?3, 505. 



Coelostylops, 468. 



Coendú, 241,491. 



Cochlops, 475, 477, 480. 



Cochlops muricatus, 504. 



Coelutaétus, 468. 



Coenophilus, 482. 



Coenoi)hilus tripartitus, 268. 



Colobuscentrotus atratus, 170. 



Colpodon, 203, 206, 215, 216, 226, 474, 



505. 

 Colpodon (couches á, époque du), 23, 



25, 111, 112, 114, 201-206, 208-211, 213- 



215, 222, 224, 226, 228. 

 Colpodon (faune du), 25, 203-205, 209, 



212,214,215, 221,223,224,. 

 Colpostemma, 481. 

 Collumbella acuta, 246. 

 Cominella fuegensis, 515. 

 Cominella praecursor, 56. 

 Conaspidotherium, 295. 

 Conepatus, 488-490. 

 Coniopternum, 471. 

 Conodonictis, 479. 

 Corax, 182, 186, 187. 

 Corax falcatus, 71, 182, 506, 507. 

 Corax aff . falcatus, 182. 

 Corax pristodontus, 182. 

 Corax Eothi, 182, 505, 520. 

 Corbula, 47, 108, 

 Corbula Hatcheri, 123, 505. 

 Corbula neocomiensis, 509. 

 Corbula sehuena, 506, 510. 

 Coresodon, 215, 471. 

 Coryphodon, 323, 326. 

 Coryphodon radians, 324. 

 Coryphodon subquadratus, 322. 323. 

 Cramauchenia, 215, 474, 505. 

 Crassatella, 123. 



