INDEX OF SPECIES, ETC., IN VOL. IV. 
Abranchiate Reptilia, 319. 
Accipiter nisus, 298, 322. 
Accipitres, on some new or little-known species of, in 
the collection of the Norwich Museum, 261. 
Accipitrine, 285. 
Acnemis, subgenus, 222. 
—, diagnosis, 225. 
Adjutant, 289, 292, 293, 295, 298, 299, 300, 302, 
303, 308, 315. 
4Kthiopian group, cranial capacity, 85. 
Ethiopians, Papuan, 84. 
African family, cranial capacity, 85. 
Agami, 333. 
Albatros, 70, 289, 291, 306, 310, 315. 
Alea, 285. 
Alcedo, 298. 
Alcedo ispida, 285, 322. 
Alligator, black, 305. 
Alligator niger, 305. 
American group, cranial capacity, 85. 
Ammonites, 22. 
Amphibians, 303. 
Anas, 290. 
Anas boschas, 322. 
querquedula, 285. 
Anastomus, 269. 
Anatine, 289. 
Anglo-Americans, cranial capacity, 85. 
Anguis fragilis, 282, 331. 
Anser, 285, 290. 
Anser palustris, 322. 
Anteater, on the anatomy of the Great, 117. 
Antelopes, 311. 
Ape, the highest species of, 78. 
Apterornis bonasia, Sélys-Longch., 191. 
Apteryges, 361. 
Apterygida, 353, 354. 
Apterygiornis, 10. 
Apteryx, 59, 70, 289, 290, 308, 354, 361. 
Apteryz, remains of the, 13. 
Apteryx australis, 13, 71, 341, 361. 
mantellii, Bartl., 362. 
maxima, Bonap., 363. 
VOL. 1V.— PART VIII. 
Apteryx owenii, 13, 71, 362. 
Aptornis, 1, 62. 
Aptornis, sternum of, 16. 
Aptornis otidiformis, description of the femur and 
tarso-metatarse, 10, 
Aptychus, 22. 
Aquila chrysaétos, 298. 
desmursii, remarks on, 365. 
—— nevia, 365. 
nevioides, 365. 
pennata, 365. 
Aquiline, 285. 
Ara ararauna, 275. 
Aramus, 269, 323. 
Arapaima gigas, 282. 
Arctomys, 307. 
Arctomys ludovicianus, 211. 
Ardea, 269, 289, 290, 323. 
Ardea cinerea, 275, 285, 313, 314, 322, 341. 
Ardeine birds, 289. 
Argonauta, 26. 
Armadillos, 14, 124. 
Arvicola, 307. 
Ascalaphia savignyi, Is. Geoff., 239. 
Asio, 286, 292. 
Asturina schistacea, Sund., 261. 
Athene, 201, 205, 206, 215. 
, Subgenus, diagnosis, 209. 
» Boié, 208. 
Athene ?, G. R. Gray, 203. 
africana, G. R. Gray, 213. 
albifacies, G. R. Gray, 219. 
boobook, Gould, 217. 
brama, G. R. Gray, diagnosis and description, 
210. 
brodiei, Blyth, 206. 
capensis, A.Smith, diagnosis and description, 21 2. 
castanoptera, Blyth, diagnosis and description, 
211. 
connivens, G. R. Gray, 220. 
— cuculoides, Blyth, diagnosis and description, 212. 
cunicularia, Bonap., diagnosis and description, 
211. 
3 F 
