CONTENTS Xlil 



PAOE 



SUB-ORDER— PERISSODACTYLA 



FAMILY— EQUID^ 



GENUS— EQUUS 



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



49. E. grevyii. Grevy's Zebra . . . . . ,105 



FAMILY— RHIN0CER0T1D.E 

 GENUS— RHINOCEROS 



50. R. bicornis. Rhinoceros ....... 106 



5 UB-ORDER—H YRA CO IDEA 



FAMILY— PROCAVIIDyE 



GENUS— PROCA VIA 



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



SUB-ORDER— PROBOSCJDEA 

 FAMILY— ELEPHANTID^ 



GENUS— ELEPHAS 



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



ORDER— RODENTIA 



SUB-ORDER— SIMPLICIDENT A TA 



DIVISION— SCIUROMORPH A 



FAMILY— SCIURID^ 



GENUS- XERUS 



53. X . rutilus dabagalla. The Ground Squirrel . , .115 



DIVISION — MYOMORPH A 



FAMILY— MURID^ 



SUB-FAMILY— GERBILLIN^ 



GENUS- GERBILL US 



54. G. sp? Coast Gerbille 119 



55. G. dtmni. Dunn's Gerbille 120 



