Contents

This publication series of the Fish and Wildlife Service (formerly the Bureau of Sport Fisheries and Wildlife) comprises reports of investigations related to fish or wildlife. Each is published as a separate paper, but for economy several may be issued in a single cover. The Service distributes a limited number of these reports for the use of Federal and State agencies and cooperators. See inside back cover for a list of recent issues. Copies of this publication may be obtained from the Publications Unit, U.S. Fish and Wildlife Service