Produced by Chris Curnow, Tom Cosmas, Joseph Cooper and the Online Distributed Proofreading Team at https://www.pgdp.net ================================================================== UNIVERSITY OF KANSAS PUBLICATIONS MUSEUM OF NATURAL HISTORY Volume 9, No. 1, pp. 1-68, figures 1-18 -------------------- December 10, 1955 --------------------- Speciation of the Wandering Shrew BY JAMES S. FINDLEY UNIVERSITY OF KANSAS LAWRENCE 1955 UNIVERSITY OF KANSAS PUBLICATIONS, MUSEUM OF NATURAL HISTORY Editors: E. Raymond Hall, Chairman, A. Byron Leonard, Robert W. Wilson Volume 9, No. 1, pp. 1-68, figures 1-18 Published December 10, 1955 UNIVERSITY OF KANSAS Lawrence, Kansas PRINTED BY FERD VOILAND, JR., STATE PRINTER TOPEKA, KANSAS 1955 [Illustration: union label] 25-7903 Speciation of the Wandering Shrew BY JAMES S. FINDLEY CONTENTS PAGE INTRODUCTION 4 MATERIALS METHODS AND ACKNOWLEDGMENTS 4 NON-GEOGRAPHIC VARIATION 7 CHARACTERS OF TAXONOMIC WORTH 8 PELAGE CHANGE 9 GEOGRAPHIC DISTRIBUTION AND VARIATION 9 Pacific Coastal Section 9 Inland Montane Section 11 Great Basin and Columbia Plateau Section 12 Summary of Geographic Variation 13 ORIGIN OF THE _Sorex vagrans_ RASSENKREIS 16 RELATIONSHIPS WITH OTHER SPECIES 26 CONCLUSIONS 60 TABLE OF MEASUREMENTS 62 LITERATURE CITED 66 FIGURES FIGS. 1-2.--CRANIAL MEASUREMENTS 5 FIG. 3.--GRAPH ILLUSTRATING WEAR OF TEETH 8 FIG. 4.--GRAPH ILLUSTRATING HETEROGONIC GROWTH OF ROSTRUM 10 FIG. 5.--PRESENT GEOGRAPHIC DISTRIBUTION OF _Sorex vagrans_ 15 FIG. 6.--SKULLS OF _Sorex vagrans_ 17 FIGS. 7-10.--PAST GEOGRAPHIC DISTRIBUTION OF SHREWS 19-20-22-27