SMITHSONIAN CONTRIBUTIONS TO ZOOLOGY . NUMBER 542

Metabolic Adaptation to Climate

and Distribution of the Raccoon

_Procyon lotor_ and Other Procyonidae

_John N. Mugaas, John Seidensticker,

and Kathleen P. Mahlke-Johnson_

[Smithsonian Institution logo]

SMITHSONIAN INSTITUTION PRESS

Washington, D.C.

1993