| PAGE | | Introduction | 7 | | Paleontological History | 10 | | Skeleton and Dentition | 12 | | Disparity in Numbers of Males and Females | 19 | | Materials, Acknowledgments and Methods | 21 | | Variation | 24 | | Variation with Age | 24 | | Secondary Sexual Variation | 26 | | Individual Variation | 28 | | Seasonal Variation | 30 | | Variation in Coloration and Molt | 30 | | Variations of Taxonomic Worth | 44 | | Distribution and Speciation | 54 | | History of Classification | 69 | | Chronological List (annotated) of Specific and Subspecific Names Applied to American Weasels | 71 | | Check-List of American Species and Subspecies of the Genus Mustela | 81 | | Artificial Key to American Species of the Genus Mustela | 83 | | Diagnosis of the Genus | 83 | | Explanation of Systematic Treatment | 84 | | Systematic Accounts of Species and Subspecies | 87 | | Mustela erminea | 87 | | Mustela rixosa | 168 | | Mustela frenata | 193 | | Mustela africana | 406 | | Explanation of Cranial Measurements | 417 | | Table of Cranial Measurements | 418 | | Literature Cited | 442 | | Index | 461 | American Weasels By E. Raymond Hall
|
|
