vi CONTENTS 



PAGE 



XXIV.— GNUS AND DUIKERS 299 



XXV. — PESTS : JIGGERS, TICKS, AND MOSQUITOES 307 



XXVI. — FLIES AND SLEEPING SICKNESS S'S 



XXVII.— TER.MITES (WHITE ANTS) 327 



XXVIII. —BEAKS 337 



XXIX.— CRESTS 354 



XXX.— TAILS 367 



XXXI.— IVORY 387 



XXXII.— HIPPOPOTAMUS 405 



