File:California ground squirrels - a bulletin dealing with life histories, habits and control of the ground squirrels of California - (by J. Grinnell, J, Dixon and others) (1918) (20488926626).jpg

Title: California ground squirrels : a bulletin dealing with life histories, habits and control of the ground squirrels of California / (by J. Grinnell, J, Dixon and others)
Identifier: californiaground00cali (find matches)
Year: 1918 (1910s)
Authors: California. State Commission of Horticulture; Dixon, Joseph
Subjects:
Publisher: (Sacramento) : California State Printing Off.
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Biodiversity Heritage Library

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THE GROUND SQUIRRELS OF CALIFORNIA. 773 Control Division of the State Commission of Horticulture." Results obtained by this arrangement have demonstrated the advantages of co-ordinating the work of the various agencies in fostering the upbuild- ing of California's great horticultural and agricultural interests, by- placing the control of rodent pests under the supervision of a well- organized division, through which that particular phase of development might be brought about with the greatest economy in funds and labor, and with substantial results, to the state as a whole. The United States Public Health Service for years has waged active campaigns on ground squirrels in counties about San Francisco Bay, as
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Fig. 60. Habitat group, Oregon Ground Squirrel (Citellus oregonus). a measure of protecting the population against bubonic plague, which through diagnoses in 1908, was found to be carried, through the medium of fleas, by ground squirrels. This federal service had been able, through co-ordination of effort through a central executive office, to accomplish a greater amount of control work than had any other agency heretofore. The appointment of W. C. Jacobsen as superintendent of the Rodent Control Division by action of the State Commissioner of Horticulture, met with approval by the county horticultural commissioners, due to the interest taken in assisting these county officers with his experience acquired in conducting operations against rodents in some of the western states. S. V. Christierson, county horticultural commissioner of San Luis Obispo, through civil service examination, was named assistant superintendent, and with the assistant secretary, C. A. Wilkins, has charge of the main office of the Rodent Control Division in Sacramento. Since the organization of the division in January, 1918, educational campaigns have been conducted by the Rodent Control Division in 181

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