Contents
| PAGE | |
| Purpose | [ 586] |
| Methods, Materials, and Acknowledgments | [ 586] |
| Variation | [ 587] |
| Juveniles | [ 587] |
| Young | [ 587] |
| Subadults | [ 588] |
| Adults | [ 588] |
| Old adults | [ 588] |
| Key to the Species of Chipmunks Inhabiting Wyoming | [ 589] |
| Accounts of Species and Subspecies | [ 590] |
| Eutamias minimus | [ 590] |
| E. m. minimus | [ 591] |
| E. m. consobrinus | [ 593] |
| E. m. pallidus | [ 594] |
| E. m. confinis | [ 596] |
| E. m. silvaticus | [ 597] |
| E. m. operarius | [ 598] |
| Eutamias amoenus | [ 602] |
| E. a. luteiventris | [ 602] |
| Eutamias dorsalis | [ 603] |
| E. d. utahensis | [ 604] |
| Eutamias umbrinus | [ 606] |
| E. u. umbrinus | [ 606] |
| E. u. fremonti | [ 607] |
| E. u. montanus | [ 608] |
| Review and Conclusions | [ 609] |
| Literature Cited | [ 610] |