Xo. 5S7] 



CALIFORNIA DEER-MICE 



ments are placed in positions more nearly representing 

 the natural environmental conditions of the animals than 

 is customary for regular Weather Bureau stations (e. g., 

 in a redwood forest on the outskirts of Eureka). 



The Eureka mice are assigned to the subspecies "rubi- 

 dus," those from the desert to " sonoriensis," while those 



