Xll 



LIST OF ILLUSTRATIONS 



j'AGi-: 



Sunbirds 374 



Tecoma flowers 375 



Crested Bustard and Bee-eater 378 



Coucal jSi 



Racket-winged Nightjar 3^2 



Pennant-winged Nightjar 383 



Long-tailed African Dove 385 



Buff-backed Heron on an elephant 389 



Musket ball surrounded by secondary dentine 39- 



Elephant trap 394 



Spear in an elephant's tusk 395 



Spiral tusks 397 



I'l'or)- 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 



