Bubo virginianus, iv. 244. 
Bubulcus coromanda, ix. 237, 252. 
Bucco barbiculus, ix. 157. 
Jflavigula, ix. 156. 
—— hemacephalus, ix. 156. 
— indicus, ix. 156. 
— luteus, ix. 156. 
nanus, 1x. 157. 
niger, ix. 158, 
parvus, ix. 157. 
—— philippensis, ix. 156, 157. 
rafflesius, ix. 156. 
roseus, ix. 157. 
rubricapillus, ix. 157. 
rubricollis, ix. 156. 
Buceros bicornis, iv. 213, 214, 275; ix. 165. 
birostris, ix. 293. 
— cassidix, viii. 47. 
— cavatus, on the anatomy of, i. 117-122. 
—— corrugatus, viii. 51. 
cristatus, ix. 167. 
—— erythrorhynchus, vii. 278. 
—— exaratus, viii. 47, 107. 
flavirostris, vil. 278. 
galeatus, iv. 302. 
gingalensis, ix. 169. 
hemprichit, vii. 317. 
—— hydrocorax, ix. 167, 250. 
insculptus, ix. 166. 
leucocephalus, ix. 165. 
limbatus, vii. 279, 317. 
manille, ix. 168. 
nasutus, Vil. 277. 
—— manillensis, ix. 168. 
—— obscurus, ix. 167. 
panayensis, ix. 166, 168. 
panini, ix. 168. 
planicornis, ix. 164. 
platyrhynchus, ix. 164. 
ruficollis, v. 164. 
sulcatus, vill. 51; ix. 165. 
sulcirostris, ix. 166, 168. 
homrai, ix. 165. 
Budytes melanocephala, vii. 324, 
rayi, ix. 305; x. 290, 312, 314, 
viridis, viii. 65; ix. 196, 250, 
Bufo vulgaris, x. 192, 230. 
Bulaca monticola, iv. 257. 
newarensis, iv. 257. 
Bulimus decollatus, x. 56. 
Bullea aperta, ii. 93. 
Bungarus annularis, ii. 304. 
ceruleus, ii. 304. 
Buphaga erythrorhyncha, vii. 260. 
Buphus bacchus, viii. 98. 
Butalis griseosticta, ix. 183. 
grisola, ix. 183. 
—— hypogrammica, viii. 66. 
latirostris, ix. 183. 
manillensis, ix. 183, 250. 
Butastur indicus, ix. 143, 249. 
Buteo abbreviatus, iv. 263. 
albonotatus, iv. 263, 267. 
augur, vii. 202, 313. 
fuliginosus, iv. 267. 
galapagensis, ix. 463, 467, 495. 
holospilus, ix. 142. 
—- leucops, ix. 495. 
—— pygmeus, Vill. 37. 
pyrrhogenys, Vili. 37. 
zonocercus, iy. 263. 
Buteogallus equinoetialis, iy. 263. 
nigricollis, iy. 263. 
Butorides chloriceps, viii. 101. 
javanica, viii. 100 ; ix. 237, 252, 497. 
plumbeus, ix. 464, 467, 497. 
Bythocythere constricta, x. 380, 405. 
Caaing Whale, on the organization of the, vili. 235— 
301. 
Cacatua equatorialis, viii. 30, 31. 
hematuropygia, ix. 132, 249. 
— minor, ix. 132. 
sulphurea, viii. 30, 31. 
Caccabis rufa, vill. 101. 
Cachalot, or Sperm-Whale, osteology of the, vi. 
309-372. 
Cacomantis assimilis, viii. 54. 
borneensis, vill. 54. 
bronzinus, vill. 54. 
—— castaneiventris, viii. 54. 
—— dumetorum, viii. 54. 
fasciolatus, vill. 55. 
flabelliformis, vill. 54. 
infaustus, vill. 54. 
