168 UURIDvE. 9TEAT0MVS. 



ABROTHRIX. 



The Lonu-haired Mouse. Abrothrix longipilis. 



Waterhouse, Voy. of the Beagle, Mamm. p. 55. pi. 33. figs. 6 «, 6 6 

 (molar teeth). 



a, b, c. Skulls. Chili. From Mr. Bridges' Collection. 



The Sand Mouse. Abrothrix arenicola I 

 a, b, c. Skulls. From Mr. Bridges' Collection. 



The Dusky Mouse. Abrothrix obscurus. 

 *a, *b. Skulls. Chili. From Mr. Bridges' Collection. 



The Olivaceous Mouse. Abrothrix olivaceus. 

 a-f. Skulls. Chili. From Mr. Bridges' Collection. 



CALOMYS. 



The Elegant Mouse. Calomys elegans. 

 *a. Skull. 



The American Field Mouse. Calomys leucopus. 

 *a. Skull. 



PHYLLOTIS. 



Darwin's Mouse. PhyUotis darwinii. 



Waterhouse, Voy. of the Beagle, Mamm. p. 64. pi. 23, pi. 34. figs. 17 & 

 17 a (teeth of upper jaw). 



*a, *b, *c, e. Skulls. Chili. From Mi-. Bridges' Collection. 

 *d. Teeth. Chili. From Mr. Bridges' Collection. 



The Bolivian Mouse. Phyllotis boliviensis. 

 *«. Skull. Bolivia. From Mr. Bridges' Collection. 



Phyllotis ? 



*u, *b. Skulls. Bolivia. From Mr. Bridges' Collection. 



STEATOMYS. 



Steatomys edulis. 



Peters, Naturw. Reise nach Mossambique, Saugth. i. p. 163. pi. 35. 

 fig. 11 (skull). 



