BUJLL. No. 4, DlV. OKNITHOIiOGT AND MAMMALOGY 



Map 3 







r\ j 





l^-^^^^^^K /\ ( \f 







{ <Kj ^f~"^ P^P^ 







5 \ / T *P — \ 







k \T r~ ~~f — . i 









6 W \ ^^^N / 







DISTRIBUTION OF KENNICOTT'S SPERMOPHILE (Spermophilus s. obsoletus) 

 DISTRIBUTION OF THE MEXICAN SPERMOPHILE (Spermophilus mexicanus) 



Map 4 



DISTRIBUTION OF RICHARDSON'S SPERMOPHILE (Spermophilus riclmrdsoni) and 

 THE WYOMING SPERMOPHILE (Spermophilus richardsoni elegans) 



