INDEX 
Aard-vark, 334 
Abdim’s stork, 267, 268, 296, 297 
A corny s 3 252 
Acrocephali , 265 
Addax, 5, 31 
Addra gazelle, 5, 26, 30, 32, 98, 343 
Adenota leucotis, 5, 8, 132, 133, 137, 164 
vardoni , 154 
Administration of country, 280 
ALdemone mirabilis , 242 
A 'edon galactodes, 304 
JEgialitis caniiana , 390 
dubia , 113, 293 
Agama colonorum , 115 
Agricultural development on Nile, 
3ii 
Alauda crista fa, 358 
Albacore, 386, 387 
Ali Dinar, 308 
Allen, Grant, 411 
Aloes, 349, 375 
Alopex kestrel, 124 
Altitudes, 15, 21, 311, 347, 349, 376 
Ambatch-bush, 242, 258 
Ammomanes , 27, 30, 357, 360, 433 
arenicolor , 358 
deserti , 357, 35 8 
Ammoperdix cholmleyi , 349, 372, 380 
Anas sparsa, 51 ; A. undulata } 51 
Anatomy of white rhinoceros, 409 
Animals conscious of their colour- 
surroundings, 420 
Animal-sjunpathy, 50, 91, 100, 157, 
158, 184, 185, 283, 370, 371 
Ant-bear, 334 
chat, 283, 358, 383 
Ant-hills, 244, 330 
Antelope, Hunter’s, 81 
439 
Antelope, roan, 69, 84, 88, 95, 99 
sable, 9, 98 
“ triangularis ,” 162 
Antelopes of Sudan, minor, 335 
semi-amphibious, 150 
voiceless, 132 
Anthus campestris , 384 
cervinus , 293, 304 
sordidus , 380, 384 
Ants, biting, 233 ; soldier-, 253 
Ant, the white, 330 
Aquila albipes , 110, 327, 376 
chrysaetos, 168, 376 
?iipalensis , 377 
pennata , 326, 376 
rapax, 63, no, 309, 327, 367, 376 
wahlbergi , 327, 376 
Arab cultivation, 52 
Arabs, 13, 74, 248, 295 
Arab-tribes of Blue Nile and Binder, 
328 
Archer, Sir Geoffrey, 399 
Ardea bubulcus , 276 
gularis , 397 
melanocephala , 245 
Argya acacice , 359, 360 
Ariel, 30, 343, 350, 351, 359, 361 
Somali type, 352 
Sudan type, 352 
Arundo 3 245 
Asio capensis, 118 
Assimilation to environment, 18, 164, 
3i5> 33A 360, 394, 411-436 
Ass, wild, 33, 347 
A slur sphenurus 3 383 
Atbara, 14, 22 
Athene noctua 3 360 
Avocet, 43, 315 
