THE ROCKY-MOUNTAIN FLYING SQUIRREL. 13 



2. — Malabar Squirrel. 



soon become tame and familiar, but are not to be trusted 

 too far : their bite is very severe. General colour above, 

 rich chocolate, deepening about the shoulders- into black ; 

 under parts abruptly pale reddish yellow; ears tufted 

 with a long full brush. 



The Rocky-Mountain Flying Squirrel 



{Pteromys Alpinus, or Ft. Sahinus, var. ^8, Eichardson), 



The flying squirrels {Pteromys, GeofFr. ; Sciuropterus, 

 F. Cuv.) agree in the general characters of their denti- 

 tion with the rest of the family (see Fig. 3 for the teeth 

 of Tamias, and Fig. 4 for the teeth of Sciurus), The 



mcisors are laterally compressed ; the molars, 



4—4 4—4' 



raj'ely — --, are equal m size or nearly so, excepting 



