CONTENTS xni 



PAGE 



SUB-ORDER— PERISSODA CTYLA 



FAMILY— EQUID^ 



GENUS— EQUUS 



48. E. asinus somalicus. The Somali Wild Ass . . . 103 



49. E. grevyii. Grevy's Zebra 105 



FAMILY— RHINOCEROTID^ 

 GENUS— RHINOCEROS 



50. R. bicomis. Rhinoceros 106 



5 UB- ORDER— H YRA CO IDE A 



FAMILY— PROCAVIID^ 



GENUS— PROCA VIA 



51. P.brucei somalica. Bruce's Dassie . . . .109 



SUB-ORDER— PROBOSCIDEA 



FAMILY— ELEPHANTID^ 



GENUS— ELEPHAS 



52. E. africanus orleansi. The Elephant . . . .111 



ORDER— RODENTIA 



SUB-ORDER— SIMPLICIDENTA TA 



DIVISION— SCIUROMORPHA 



FAMILY— SCIURID^ 



GENUS-XERUS 



53. X . rutilus dabagcdla. The Ground Squirrel . . ■ "S 



DIVISION— MYOMORPHA 



FAMILY— MURID^ 



SUB-FAMILY— GERBILLIN^ 



GENUS— GERBILL US 



54. G. sp? Coast Gerbille 119 



55. G. dunni. Dunn's Gerbille 120 



