FA MILI ES. 



55. MURID^E Rats. 



56. SPALACID^E ......... Mole Rats. 



57. DIPODID^E Jerboas. 



68. MYOXIDJE '•- Dormice. 



59. SACCOMYID^E - Pouched Rats. • 



60. CASTORID^E ------- Beavers. 



61. SCIURID^E -------- Squirrels. 



62. HAPLOODONTID^E ..... Sewellals. 



63. CHINCH ILLID^E - Chinchillas. 



64. OCTODONTIDvE Octodons. 



65. ECHIMYIDJE Spring Rats. 



66. CERCOLABID^E Tree Porcupines. 



67. HYSTRICID^E - Porcupines. 



68. CAVIID^E Cavies. 



69. LAGOMYIDvE Pikas. 



70. LEPORID^E Hares. 



