TRANSACTIONS OFTHE NEBRASKA ACADEMY OF SCIENCES: Volume 29, 2004 Table of Contents

Table of Contents Editorial Contents Nebraska Executive Committee, Policy Committee........................ii Editorial Board........................iv Membership Objectives and Friends of the Academy........................inside front cover Nebraska Association of Teachers of Science........................inside front cover Preparation of manuscripts........................inside front cover Papers A survey of antibiotic resistance among coliform bacteria isolated from the Missouri River (Sara E. McDonnell and Amy M. Treonis)........................1 The freshwater mussels (Mollusca: Bivalvia: Unionidae) of the Little Blue River drainage of northeastern Kansas and southeastern Nebraska (Ellet Hoke)........................7 Nodular masses in the swimbladder and visceral fat of the walleye, Stizostedion vitreum (Andrew J. Mitchell and David W. Oates)........................25 Least shrew (Cryptotis parva) in extreme west-central Nebraska (Keith Geluso, Jeremy A. White, and Michael A. Bogan)........................29 Seasonal activity and reproduction in bats of east-central Nebraska (Kenneth N. Geluso, Russell A. Benedict, and Francis L. Kock)........................33 Geographic relationships of pocket gophers in southeastern Colorado (David C. Lovell, William R. Whitworth, Jerry R. Choate, Steven J. Bissell, Michael P. Moulton, and Justin D. Hoffman)........................4