WESTERN AND SOUTHERN MICE AND 



1. Kangaroo Rat (Perodipus) 



2. Cotton Rat (Sigmodon) 



3. Rice-field Mouse (Oryzomys) 



Photographed from skins to show relative proportions 



4. Harvest Mouse (Reithrodontomys) 



5. Pocket Mouse (Perognathus) 



6. Scorpion Mouse (Onycomys) 



(About one-half natural size) 



