Part 1

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UNIVERSITY OF KANSAS PUBLICATIONS MUSEUM OF NATURAL HISTORY

Volume 7, No. 4, pp. 349-472, 47 figures in text, 4 tables April 21, 1954

North American Jumping Mice (Genus Zapus)

PHILIP H. KRUTZSCH

UNIVERSITY OF KANSAS LAWRENCE 1954

UNIVERSITY OF KANSAS PUBLICATIONS, MUSEUM OF NATURAL HISTORY

Editors: E. Raymond Hall, Chairman, A. Byron Leonard, Robert W. Wilson

Volume 7, No. 4, pp. 349-472, 47 figures in text, 4 tables Published April 21, 1954

UNIVERSITY OF KANSAS LAWRENCE, KANSAS

PRINTED BY FERD VOILAND, JR., STATE PRINTER TOPEKA, KANSAS 1954

25-1128

North American Jumping Mice (Genus Zapus)

Philip H. Krutzsch

CONTENTS

PAGE

Introduction 351

Materials, Methods, and Acknowledgments 352

Paleontology of the Genus 355

Relationships, Distribution, and Speciation 356

Annotated List of Specific and Subspecific Names 369

Characters of Taxonomic Worth 371

Nongeographic Variation 376

Check-List of the Species and Subspecies of the Genus Zapus 382

Genus Zapus 382