Introductory material
Reading edition

WASHINGTON GOVERNMENT PRINTING OFFICE 1922
Plate I.—Banner-tailed Kangaroo Rat (Dipodomys spectabilis spectabilis Merriam). From Dipodomys merriami Mearns and subspecies, which occur over much of its range, this form is easily distinguished by its larger size and the conspicuous white brush on the tail.

UNITED STATES DEPARTMENT OF AGRICULTURE BULLETIN No. 1091 Also Technical Bulletin No. 1 of the Agricultural Experiment Station, University of Arizona


Washington, D. C. PROFESSIONAL PAPER September, 1922