INDEX OF SPECIES. 53 
Nyeticorax, osteology of, compared in various points | Pelamys sarda, 388, 435. 
with that of the Kagu, 503, 509-511. Penguins, 72, 79. 
Ocydromus, 503, 513-516, 518, 519. Percida, 385. 
australis, proportions of leg-bones in, 518. Petenia, 469. 
Odontoceti, 111, 115. splendida, 382, 392, 404, 469, 
, homologies of the carpal bones of the, 360. Pezophaps, 70, 79, 
Gdicnemus, 74, 76-78. solitarius, 373. 
——, osteology of, compared in yarious points with | Phalacrocorax, 504. 
that of the Kagu, 503. Pharyngognathi acanthopterygii, 390. 
crepitans, 79. Phocena, 24, 25, 44, 92, 98, 114, 115. 
, atlas of, 330. 
, trapezoid of, 362. 
Oligoplites inornatus, 383, 433. 
Oopholis, 135-137. 
—— pondicherianus, 139. —— brevirostris, foramina in the skull of, 29, 
porosus, 128 note, 138. 30. 
Ophidia, 507. — , frontals of, 27. 
Ophidiide, 392. —— ——, malar bone of, 28, 39. 
Ophidium brevibarbe, 392. —— ——, mandible of, 29. 
Ophioscion typicus, 383, 428. —— ——, maxillaries of, 27, 
Ophiurus breviceps, 396. —— ——, occipital bone of, 26. 
boro, 396. _ , palatine bones of, 27. 
triserialis, 396, — , premaxillaries of, 28. 
Orang-outang, 175. —— ——,, pterygoid of, 28. 
Orca, 24, 98, 114, 115. | —— , Skull of, 24-30. 
, atlas of, 330. —— ——, sphenoid bones of, 26. 
——, carpus of, 361. —— ——, squamosal of, 29. 
——, pelvic bones of, 365 note. + , vomer of, 27. 
, trapezoid of, 362. —— communis, vertebral formula of, 349. 
— gladiator, vertebral formula of, 349. globiceps, 25, 28. 
Osteolemus, 152. Pheenicopterus, 72. 
tetraspes, 153. Physalus, 115. 
Ostracion bicaudalis, 396. Physeter, 44, 45, 98, 111, 112, 114, 119. 
australis, characters of, 367. 
breviceps, 33, 41, 42. 
catodon, 369. 
cornutus, 396. 
Ostrich, African, 517. 
Otis, 74, 76-79. 
Otolithus albus, 387, 429. —— macrocephalus, 32, 33, 35-41 notes, 44, 
reticulatus, 387, 430. 111. 
—— squamipinnis, 387, 429. , atlas of, 328. 
Owls, 69. , axis of, 332. 
Palamedea, 72, 509. , base of skull of, 319. 
Palapteryx, 68,70. | , carpus of, 359-364. 
Paleosuchus, 167. |— , caudal vertebre of, 342-347. 
Palinia, Cuban, 145. | —— , cervical vertebrae of, 328-335. 
, Yucatan, 146. — , characters of, 367-369. 
Palinia, 135-137, 145. | ——— ——.,, chevron bones of, 350. 
? moreletii, 146. | — , comparison of yertebre in known spe- 
rhombifera, 145. cimens of, 347, 348. 
Pangolin, 505, 506. — , cranium of, 314-323. 
Pediculati, 388. —— — , digits of, 362-364, 
4n2 
