vi CONTENTS 



PAGE 



XXIV. GNUS AND DUIKERS 299 



XXV. PESTS : JIGGERS, TICKS, AND MOSQUITOES 307 



XXVI. FLIES AND SLEEPING SICKNESS 318 



XXVII. TERMITES (WHITE ANTS) 327 



XXVIII. BEAKS 337 



XXIX. CRESTS 354 



XXX. TAILS 367 



XXXI. IVORY 387 



XXXII. HIPPOPOTAMUS 405 



