The Story of the Cattle-fever Tick


Book Description

This publication provides a section which gives a brief description of the various offices within the United States Department of Agriculture and their functions, followed by a directory, and an Index of Names.




Film Strips of the U.S. Department of Agriculture


Book Description

This publication, the thirty-first annual Directory of Officials and Organizations Concerned with the Protection of Birds and Game, follows the same general form as previous editions.







Outlines for Studies of Mammalian Life Histories


Book Description

Life-history data of wild mammals are essential to a proper understanding of the structure and classification of the mammal ; they are a prerequisite to a determination of the factors controlling distribution ; and they are of practical importance in problems of acclimatization and domestication. The improvement of agriculture depends to a large extent on a better and more scientific understanding of the relation of plants and animals to their surroundings. Effective conservation of the beneficial and the control of the harmful kinds of mammals depend on adequate knowledge of their habits.













California Ground Squirrels


Book Description