Introduction
Historical
Methods, Materials, and Acknowledgments
Evaluation of Characters
Characters in which the Subgenera Eutamias and Neotamias Agree, but Differ from the Genus Tamias
Characters in which the Subgenus Eutamias and the Genus Tamias Agree, but Differ from the Subgenus Neotamias
Structural Features that are too Weakly Expressed to be of Taxonomic Use
Discussion
Table 1.—Characters by Means of Which the Genera Eutamias and Tamias Can Be Distinguished
Table 2.—Characters by Means of Which the Subgenus Eutamias and the Genus Tamias May Be Distinguished from the Subgenus Neotamias
Genera and Subgenera
Conclusions
Literature Cited
