67 



Ophicephalus leucopunctatus, ii. 352. 



mauUus, ii. 352. 



Ophidium, on a new subgenus of fishes, allied to, 



ii. 207-212. 



brevibarbe, vi. 392. 



imberbe, ii. 210. 



Ophioscion typicus, vi. 383, 428. 

 Ophinrus breviceps, \A. 396, 



boro, vi. 396. 



triserialis, vi. 396. 



Opilis mtripennis, i. 95, 110. 



Opistlioconiui cristatus, on the myology of, ix; 353- 



370. 



, caudal muscles of, ix. 360. 



, muscles of the cubit of, ix. 358. 



, muscles of the leg of, ix. 361. 



, muscles on the superior border of the 



radius of, ix. 359. 



, peetoralis magnus of, ix. 354. 



— , the ventral muscles of the tail of, ix. 



360. 

 Opossums, on the osteology of, ii. 379-408. 

 Orangs, osteological contributions to the natural 



history of the, ii. 165-172 ; iv. 75-88, 89-116, 



165-178. 

 Orang Utan and Chimpanzee, on the osteology of, 



i. 343-379. 

 Orbimla eiimingii, i. 143, 144, 162. 



lamellosa, i. 142, 143, 144, 153, 162. 



strigata, i. 143, 144, 162. 



striata, i. 143. 



Orca, vi. 24, 98, 114, 115, 330, 361, 362, 365. 



gladiator, viii. 20, 237. 



, vertebral formula of, vi. 349. 



Ormis amadis, is. 564. 

 Orcymis alalonga, iii. 4. 

 Oreophasis derbyanus, v. 170. 

 Oreus acteus, ix. 548. 



elpenor, ix. 554. 



licastus, ix. 539. 



porous, ix. 561. 



thorates, ix. 540. 



Orgya luctitosa, ix. 193. 

 Oriole, skull of Golden, x. 290. 

 Oriolus acrorhyncJius, ix. 185, 186. 



jlavus, is. 206. 



formosus, ix. 186. 



Oriolus furcatus, ix. 181. 



galbida, viii. 60, 112 ; ix. 186 ; x. 312, 314. 



, skull of, X. 290. 



hippocrepis, viii. 60. 



horsjteldii, viii. 60. 



indicus, viii. 60. 



humloo, viii. 113. 



lineatus, ix. 224. 



melanocephalus, ix. 186. 



monachus, vii. 325. 



ocellatus, ix. 224. 



— — philippensis, ix. 186, 250. 



ruber, ix. 206. 



sinensis, viii. 78. 



Orneus cenopion, ix. 622. 

 OrnitJiichnites giganteus, iii. 265. 



■ tuberosum, iii. 267. 



Omithorhynchus paradoxus, on the natural history 

 and habits of, i. 229-258. 



, on the young of, i. 221-229. 



Orpluus melanotis, ix. 471. 



parvulus, ix. 472. 



trifasciatus, ix. 471. 



Orthorhynchus minimus, i. 193. 

 Orihotomtis castaneiceps, ix. 195, 250. 



derbianus, ix. 195, 250. 



Ortygis ocellata, ix. 224. 



Ortygometra cinerea, viii. 94; ix. 230, 251. 



. ■ eurizona, ix. 231. 



octdaris, ix. 231. 



quadristriyata, viii. 94. 



Ortygospiza atricollis, vii. 325. 



fuscocrissa, vii. 325. 



polyzona, vii. 325. 



Oryba robusta, ix. 605. 

 Oryx capensis, ii. 213. 

 Oryzoborus crassirostris, ix. 485. 



torridu^, ix. 485. 



Osmoireroii aroniatica, ix. 211. 



axillaris, ix. 211, 251. 



batilda, ix. 214. 



bicincta, viii. 114. 



griseicauda, viii. 82. 



. phayrei, ix. 212. 



vernans, viii. 81, 113 ; ix. 210, 251. 



Osphranter robustus, ix. 425. 

 OsUolcemus tetraspes, vi. 153. 



