Produced by Chris Curnow, Paula Franzini, Joseph Cooper and the Online Distributed Proofreading Team at http://www.pgdp.net ================================================================== UNIVERSITY OF KANSAS PUBLICATIONS MUSEUM OF NATURAL HISTORY Volume 8, No. 6, pp. 361-416, 19 figures in text ---------------------- April 2, 1956 ----------------------- A Population Study of the Prairie Vole (Microtus ochrogaster) in Northeastern Kansas BY EDWIN P. MARTIN UNIVERSITY OF KANSAS LAWRENCE 1956 UNIVERSITY OF KANSAS PUBLICATIONS, MUSEUM OF NATURAL HISTORY Editors: E. Raymond Hall, Chairman, A. Byron Leonard, Robert W. Wilson Volume 8, No. 6, pp. 361-416, 19 figures in text Published April 2, 1956 UNIVERSITY OF KANSAS Lawrence, Kansas PRINTED BY FERD VOILAND, JR., STATE PRINTER TOPEKA, KANSAS 1956 25-9225 CONTENTS PAGE INTRODUCTION 363 GENERAL METHODS 364 HABITAT 366 POPULATION STRUCTURE 373 POPULATION DENSITY 376 HOME RANGE 380 LIFE HISTORY 383 Reproduction 383 Litter Size and Weight 386 Size, Growth Rates and Life Spans 388 Food Habits 397 Runways and Nests 398 Activity 400 PREDATION 401 MAMMALIAN ASSOCIATES 403 SUMMARY AND CONCLUSIONS 408 LITERATURE CITED 411 A POPULATION STUDY OF THE PRAIRIE VOLE (MICROTUS OCHROGASTER) IN NORTHEASTERN KANSAS By Edwin P. Martin INTRODUCTION