562 



IXDEX OF SPECIES. 



TesUtrJo rjrmca, 302. 

 TJtaliura crcesus, 523. 



rhipheus, 523. 



Thamnophilus doliatus, 311. 



lliinoconts ri'inicivorus, 258, 301, 312, 314. 



, skuU of, 301. 



Tliornback Skate, see Baia clavata. 

 Thi/sania cigrippina, 510. 



odora, 510. 



, dorsal fin of, 454, 483. 



Tirjnsoina leucolophum, 308. 



Tinamus variegatiis, 259. 



Tit, skull of Coal, 277. 



, skuU of Ox-eye, 279. 



Titmouse, skull of Bearded, 285. 



TricJiostoma celehense, 311. 



TrocJiiltis (Patar/ona) r/igas, 259. 



Troplioii antiquum, 396. 



TrygoHorhina fasciata, 439, 454. 



, dorsal fin of, 454, 483. 



Tumix rostrata, 311. 



Urania ioisduvalii, 518. 



crcesus, 524. 



druryi, 523. 



fernandiixT, 518, 522. 



■ leilaria, 508. 



lunus, 521. 



macleayii, 523. 



madagascariensis, 523. 



oritJiea, 521. 



routes, 520. 



patroclus, 520. 



poeyi, 522. 



promethens, 522. 



rldphms, 513, 514, 519, 520, 522, 523, 524. 



sloanaria, 522. 



Uranidin amphiehts, 521. 



boisduvalii, 522. 



brasiliensis, 521. 



cacica, 521. 



— — fulgens, 521. 



Zei7«s, 517, 520, 521. 



poeyi, 522. 



sZoanHS, 522, 541. 



Uraniidse, observations on the, a family of Lepido- 

 pterous insects, with a synopsis of the family 

 and a monograph of Coronidia, one of the ge- 



nera of which it is composed, by J. O. West- 

 wood, 507. 

 Urapteryx samhucaria, 514, 542. 

 Ursus, bones of, 60-74. 



, dentition of, 60-62. 



, left mandible of, 61. 



, metacarpal bones of, 63. 



, metatarsal bones of, 63. 



, radius of, 62. 



, right mandible of, 60, 01. 



, right maxilla of, 00. 



, right ramus of, 60. 



, tibia of, 62. 



, ulna of, 62. 



arctos, 59, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 



71, 72, 73. 



hourguignati, 63. 



cadaverinus, 64. 



cinereus, 64. 



croivtheri, 73. 



faidherbianus, 64, 71, 72, 73. 



ferox, 59,63, 64, 65, 66, 67, 68, 69, 70, 71, 72. 



fossilis, 63. 



and U. ■ , Gibraltar, comparative di- 

 mensions of axis of, 69. 



formicarius, 64. 



fossUis, 63, 64, 65, 66, 67, 68, 69, 70, 74. 



fuscus, 64. 



horribilis, 62, 64. 



horridus, 64. 



isabellinus, 64, 69, 70, 74. 



labiatus, 74. 



■ lartetianus, 64, 71, 72. 



letourneuxianus, 64, 71, 72. 



longirostris, 64. 



maritimus, 67. 



niger, 64. 



norvegicus, 64. 



piscator, 64. 



priscus, 59, 63, 64, 65, 66, 68, 74. 



pyrenaicus, 64. 



— - — richardsoni, 62, 64. 



rouvieri, 64, 71, 72. 



spelaius, 63, 65, 66, 67, 70, 72, 74, 131. 



syrianis, 64. 



Vertebrate limbs, on the nature and homologies of, 

 458-482. 



