LIST OF ILLUSTRATIONS xi 
PAGE 
Horns of Mrs. Gray’s Waterbuck. 297 
(}nu. 300 
Heads of Gnus. 301 
Hartebeest on ant-hill. 302 
Duiker. 303 
Wild Dog. 305 
Sand Flea. 3 °^ 
Tick. 310 
Mosquito. 315 
Tsetse Flies.. . 320 
Fossil tsetse-fly. 321 
Trypanosomes. 323 
Tsetse-fly . 326 
Termites. 328 
Queen. 329 
Ant-hill of unusual shape. 333 
Aard-Wolf. 335 
Skull of Aard-Wolf. 336 
Open-bill.. - 338 
Shell of Ampullaria. 339 
Hornbills. 341 
Head of Ground Hornbill. 342 
Whale-headed Stork. 344 
Darter .. 345 
Marabou Stork. 348 
Head of Skimmer. 350 
Skimmer. ' . 352 
Hammerhead. 357 
Secretary Bird. 358 
African Hoopoe . 359 
European Hoopoe . ' . 360 
Great Crested Touraco . 361 
Head of Crowned Crane. 363 
Crowned Crane. 364 
Helmet Shrike. 365 
Weaver Finch . 369 
Weaver Finch (dancing). 370 
Mouse Bird. 372 
Shrike. 373 
