XII 
LIST OF ILLUSTRATIONS 
1‘AGK 
Sunbirds. 374 
Tecoma flowers. 375 
Crested Bustard and Bee-eater. 378 
Coucal. 381 
Racket-winged Nightjar. 382 
Pennant-winged Nightjar. 383 
Long-tailed African Dove. 385 
Buff-backed Heron on an elephant. 389 
Musket ball surrounded by secondary dentine. 392 
Elephant trap. 394 
Spear in an elephant’s tusk. 395 
Spiral tusks . 397 
Ivory panel. B.c. 850-700. 398 
Fetish tusk-trumpet..• . . . . 399 
Elephant’s tusk in transverse section. 401 
Musket ball in the pulp chamber of a tusk. 403 
Hippopotamus. 406 
Skull of hippopotamus. 407 
Circular tusk of hippopotamus. 409 
Thorn in the foot. 411 
