Produced by Chris Curnow, Tom Cosmas, Joseph Cooper and the Online Distributed Proofreading Team at https://www.pgdp.net Transcriber's Note Italic text is presented as _Text_. UNIVERSITY OF KANSAS PUBLICATIONS MUSEUM OF NATURAL HISTORY Volume 18, No. 5, pp. 421-504 August 20, 1969 Comparative Ecology of Pinyon Mice and Deer Mice in Mesa Verde National Park, Colorado BY CHARLES L. DOUGLAS UNIVERSITY OF KANSAS LAWRENCE 1969 UNIVERSITY OF KANSAS PUBLICATIONS, MUSEUM OF NATURAL HISTORY Editors of this number: Frank B. Cross, Philip S. Humphrey, J. Knox Jones, Jr. Volume 18, No. 5, pp. 421-504 Published August 20, 1969 UNIVERSITY OF KANSAS Lawrence, Kansas PRINTED BY ROBERT R. (BOB) SANDERS, STATE PRINTER TOPEKA, KANSAS 1969 [Illustration] 32-6879 CONTENTS PAGE INTRODUCTION 424 Physiography 425 Vegetation and Climate 427 ACKNOWLEDGMENTS 427 DESCRIPTIONS OF MAJOR TRAPPING LOCALITIES 428 HOME RANGE 435 Calculations of Home Range 437 Analysis by Inclusive Boundary Strip 439 Analysis by Exclusive Boundary Strip 440 Adjusted Length of Home Range 440 Distance Between Captures 441 VEGETATIONAL ANALYSIS OF HABITATS 446 MICROCLIMATES OF DIFFERENT HABITATS 450 HABITAT PREFERENCE 459 NESTING AND NEST CONSTRUCTION 461 REPRODUCTION 465 GROWTH 469 PARENTAL BEHAVIOR 471 Transportation of Young 472 CHANGES OWING TO INCREASE IN AGE 475 ANOMALIES AND INJURIES 476 Losses Attributed to Exposure in Traps 477 Dental Anomalies 478 Anomalies in the Skull 478 FOOD HABITS 479 WATER CONSUMPTION 482 PARASITISM 491 PREDATION 493