524 INDEX OF SPECIES. 
Balena mysticetus, accessory pelvic bones or cartilages | Brycon dentex, 478. 
of, 364. Buceride, 517. 
, weight of ribs of, 351. Bustards, 72. 
Baleniceps, 512, 519. Cachalot, osteology of the, 309-369. 
Balenide, 115. , Snub-nosed, 30. 
Balenine, 115. Cachalots, 112. 
Balenoidea, 110, 115. Caiman, 160, 161, 166. 
Balenoptera, 4, 115. fissipes, 160, 161, 163, 
Balenopteride, 115, 329. —— moschifer, 167. 
Balenopterine, 115. —— niger, 160, 162. 
Balearica, 503, 511. palpebrosus, 167. 
pwwonina, number of yertebre in, 511. punctulatus, 165. 
Balistes frenatus, 396, 490. 
—— niger, 396. 
trigonatus, 167. 
Caiman 4 paupiéres osseuses, 155. 
vetula, 396. 
Batrachia, 517. 
Batrachidae, 388. 
Batrachus liberiensis, 435. 
Caprimulgus europaeus, 507. 
Carangide, 387. 
Carangoides dorsalis, 383, 432. 
Carangus amblyrhynchus, 387. 
pacific’, 383, 388, 435. caballus, 388, 431. 
surinamensis, 388. caninus, 388, 432. 
Belonesox belizanus, 394, 404. —— carangus, 388. 
Beluga, 96, 97, 98, 114, 115. crumenophthalmus, 387. 
, atlas of, 330. —— dorsalis, 388, 432. 
, carpus of, 361, —— hippos, 383, 388, 431. 
——,, cervical vertebre of, 329, 330, 333. leucurus, 387, 430. 
—— leucas, vertebral formula of, 349. 
Belugine, 115. 
Bernicla brenta, 119, 123. 
ruficollis, 375. 
marginatus, 383, 431. 
panamensis, 383. 
speciosus, 383, 387, 431. 
Carapus fasciatus, 395, 404, 489. 
Bird, Didine, of the island of Bourbon, 373. Carcharias maculipinnis, 396, 490. 
——, raptorial, 117. Cariama, 72, 508. 
Birds, fossil, from the Zebbug Cave, Malta, 119-124. | Cassowary, 517. 
——,, homologies of the maxillary bones of, 501, | Casuarius, 70, 74, 76. 
502, 505, 506. Catodon australis, 32. 
, homologies of the pelvis in, 517, 518. 
Bittern, Green, 512. 
Black Dolphin, 23. 
Blenniide, 389. 
Blennius brevipinnis, 389. 
“ Bolla gadimi,” 21. 
Bombifrons, 135, 136, 137, 139. 
indicus, 128 note, 140, 149, 150. 
siamensis, 128 note, 144. 
trigonops, 140. 
Botaurus viridis, number of vertebre in, 511. 
Brachypteryx, 514, 515. 
australis, 513. 
Brotula multibarbata, 392, 471. 
macrocephalus, 33. 
Centropomus appendiculatus, 385, 406. 
armatus, 383, 385, 408. 
ensiferus, 385, 408. 
—— medius, 385, 406. 
nigrescens, 385, 407. 
parallelus, 385, 407. 
Centropristis macropoma, 385, 409. 
Cepphus grylle, 375. 
Cetacea, 17, 87, 171. 
, classification of the, 113-115. 
, comparison of characters of, 44, 45. 
, progression or succession in, 45. 
——,, teeth of, 44. 
