THE GRAY GOPHERS 113 
Gulf coast; the yellower, larger, chestnut- 
faced gopher (Cratogeomys castanops), occur- 
ring from Colorado southwestward; and the 
NORTHERN GRAY GOPHER (THOMOMYS TALPOIDES). 
Photographed by H. K. Job, and reproduced by permission. 
smaller northern gray gopher, or mole-go- 
pher (Thomomys talpoides), which is the fa- 
miliar of the Dakotas, Wyoming and the Cana- 
