Bittern, Green, vi. 512. 
Black Dolphin, vi. 23. 
Blastosmilia fecunda, x. 245. 
—— pourtalesi, x. 236, 244, 249. 
Blennius artedii, ii. 185; ii. 9. 
brevipinnis, vi. 389. 
—— gattorugine, ili. 9. 
—— inequalis, ii. 185. 
montagui, ii. 185. 
—— palmicornis, il. 185; im. 9. 
parvicornis, ii. 185 ; ii. 9. 
—— pholis, ii. 185. 
—— phycis, ii. 189. 
tasmanianus, Ui. 129. 
trigloides, iil. 9. 
Boar, Italian Wild, x. 128. 
Boatbill, on the dermal and visceral structures of 
the, vii. 465-492. 
Bogos Country and North-eastern Abyssinia, on a 
collection of birds from, vii. 197-331. 
“ Bolla gadimi,” vi. 21. 
Bombifrons, vi. 135, 136, 137, 139. 
indicus, vi. 128, 140, 149, 150. 
—— siamensis, vi. 128, note, 144. 
—— trigonops, vi. 140. 
Bombus atrocinctus, vii. 193. 
Bombyx luna, x. 518. 
terminalis, vii. 193. 
Bonasia europea, y. 195. 
Bornella digitata, v. 140, 141, 147. 
Bos, fossil remains of, found at Gibraltar, x. 125, 
126. 
— indicus, iii. 45. 
primigenius, x. 126. 
Botaurus minutus, iv. 336, 338. 
stellaris, iv. 285. 
viridis, x. 308. 
, number of vertebre in, vi. 511. 
Bothriocephalus latus, i. 394. 
Bow salpa, ii. 178, 200. ; 
vulgaris, ti. 178, 200. 
Brachiopoda, description of new species of, i. 141- 
144. 
, on the anatomy of, i. 145-164. 
Brachiopodus conchifera, ii. 87. 
Brachyglossa banksi, ix. 628. 
Brachynota abbotii, ix. 534. 
18 
Brachyotus europeus, iv. 236. 
galapagoensis, ix. 493. 
Brachypteryx, vi. 514, 515. 
australis, iv. 285; v. 161; vi. 513. 
Brachypus euptilosus, ix. 191. 
urostictus, tx. 191. 
Brachyurus atricapillus, ix. 188. 
—— celebensis, viii. 62. 
erythrogaster, 1x. 187. 
forsteni, viii. 62. 
sordidus, ix. 188. 
Bradyornis chocolatinus, vii. 248. 
Bradypus tridactylus, observations on the neck of, 
i. 113-116. 
Brama marina, i. 179. 
rait, i. 179; iii. 8. 
British Annelida, Memoir on the, ix. 371-394. 
Broderipus acrorhynchus, ix. 185, 186, 250. 
celebensis, viii. 112. 
coronatus, vill. 60, 112. 
frontalis, viii. 61; ix. 185, 186. 
sinensis, ix. 186. 
Brotula multibarbata, vi. 392, 471. 
Brycon dentaa, vi. 478. 
Bubo africanus, iv. 240. 
arcticus, iy. 241. 
ascalaphus, iv. 239; vii. 210. 
bengalensis, iv. 239. 
ceylonensis, iy. 241. 
cinerascens, iv. 240. 
clamator, iv. 235. 
Rem 
coromandus, iv. 243. 
cristatus, iv. 238. 
—— dillonii, iv. 240. 
flavipes, iv. 240. 
— griseata, iy. 238. 
ketupa, iv. 225. 
— lacteus, iv. 225, 244; vii. 210. 
ludovicianus, iv. 241. 
maculosus, iv. 240; vii. 319. 
madagascariensis, iv. 235. 
magellanicus, iy. 241. 
—— maximus, iy. 214, 239, 255. 
nepalensis, iv. 244, 
nudipes, iv. 266. 
—— orientalis, iv. 243. 
—— philippinensis, iv. 244; ix. 144, 
