Ursus longirostris, x. 64. 
maritimus, x. 67. 
niger, X. 64. 
norvegicus, x. 64. 
piscator, x. 64. 
priscus, X. 59, 63, 64, 65, 66, 68, 74. 
—— pyrendicus, x. 64. 
richardsoni, x. 62, 64. 
rouviert, x. 64, 71, 72. 
speleus, x. 63, 65, 66, 67, 70, 72, 74, 131. 
syriacus, X. 64. 
Urubitinga anthracina, iv. 262. 
gundlachit, iv. 262. 
schistacea, iy. 261, 262. 
zonura, iv. 262. 
Urubitornis solitaria, iv. 263. 
Vanellus cristatus, iv. 281, 286, 290; y. 175, 183, 
185, 186, 189, 203, 240. 
goensis, i, 2. 
helveticus, ix. 226. 
Varicorhinus bobree, ii. 355. 
Venerupis pullastra, i. 99. 
Venilia albertula, viii. 42. 
Vertebrate limbs, on the nature and homologies of, 
x. 458-482. 
Vespa cincta, vii. 172. 
Slaviceps, vii. 174, 191. 
orientalis, vii. 172. 
structor, vil. 191. 
velutina, vii. 172. 
vivax, vii. 190. 
Vespertilio murinus, iy. 274. 
Vespide, descriptions of some new species of, col- 
lected by Mr. Horne in the North-west Pro- 
vinces of India, vii. 190-194. 
Vidua principalis, vii. 265. 
rubritorques, ix. 210. 
verreauxt, Vii. 265. 
Vinago affinis, ix. 212. 
malabarica, 1x. 212. 
Vipera elegans, ii. 304, 
Viralua indica, viii. 103. 
Vireosylvia olivacea, ix. 342; x. 311, 313. 
, skull of, x. 264, 
Viscacha, observations upon the species of, i, 35-46. 
Viverra vittata, ii. 201, 202, 203. 
Volvocivora cerulescens, ix. 178, 248, 250. 
Trans. Zoot. Soo. Lyprex, Vors, I.-X. 
Volvocivora melaschistos, viii. 69. 
morio, vill. 69, 108. 
Vultur fulvus, vii. 199. 
rueppelli, vii. 318. 
Vultures, vi. 72, 74, 76, 79. 
Wagtail, skull of Pied, x. 289. 
, Yellow, x. 290. 
Walrus, anatomy of the, vii. 411-464. 
| Weka Rail, x. 302. 
Whale, smaller ziphioid, x. 416. 
Whalebone-Whales, vi. 110, 364. 
Whales, contributions to the knowledge of the 
existing ziphioid, viii. 203-344 ; x. 415-438. 
Winchat, skull of the, x. 289. 
Wombat, dentition of the, ii. 329. 
, osteology of the, ii. 379-408. 
——,, bare-nosed, viii. 346, 350, 351. 
——. See also Phascolomys. 
Wombats of Continental Australia and of Van Die- 
men’s Land, comparison of the skulls of the, 
iii. 303-306. 
Xanthodina dentata, vii. 268. 
—— pyrgita, vii. 269. 
Xantholema hemacephala, ix. 131, 156, 157, 249. 
indica, ix. 156. 
—— philippensis, ix, 156. 
rosea, ix. 131, 157, 158, 249. 
Xanthornus holosericeus, ix. 206. 
Xanthosomus flavus, ix. 206. 
Xema furcatus, ix. 506. 
Xenia desjardiniana, iu. 25, 29. 
Xenus cinereus, vii. 328. 
Xestoleberis depressa, x. 380, 400, 409. 
Xiphias gladius, i. 182; iii. 5. 
Xiphophorus gillit, vi. 884, 485. 
hellerii, vi. 395, 404, 485. 
Xirichthys novacula, ii. 187. 
Xylocopa estuans, vii. 180. 
chloroptera, vii. 179. 
Xylophanes cajus, ix. 558. 
drancus, ix. 559. 
gortys, ix. 559. 
—— lycetus, ix. 560. 
Yellowhammer, skull of the, x. 269. 
Yungipicus kisuki, viii, 42, 111. 
maculatus, ix. 148, 249. 
temminckit, viii. 41, 111. 
