SAY'S SPERMOPHILE IN SNOW (S permd^ buiralis) 



Photographed near Crested Butte, Colorado, with the snow three feet deep, the Cilviera being pper.at/sdJr 1 ,^ string roo feet long. 



YOUNG PRAIRIE DOG (Cynomys ludovicianus) (about one-third grown) B x F - D - Warren 



