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  1. The chinch-bug, its history, characters, and habits, and the means of destroying it or counteracting its injuries /
    By: Thomas, Cyrus, - United States Entomological Commission.
    Publication info: Washington,Govt. Print. Off.,1879.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
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  2. First anuual report of the United States Entomological Commission for the year 1877 : relating to the Rocky Mountain locust and the best methods of preventing its injuries and of guarding against its invasions, in pursuance of an appropriation made by Congress for this purpose.
    By: United States Entomological Commission. - Packard, A. S. (Alpheus Spring), - Riley, Charles V. (Charles Valentine), - Thomas, Cyrus, - Geological Survey (U.S.)
    Publication info: Washington [D.C.] :G.P.O.,1878.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
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  3. Preliminary report of the United States Geological Survey of Montana, and portions of adjacent territories : being a fifth annual report of progress /
    By: Geological and Geographical Survey of the Territories (U.S.) - Hayden, F. V. - Thomas, Cyrus,
    Publication info: Washington :Govt. Print. Off.,1872.
    Holding Institution: Harold B. Lee Library (archive.org)
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  4. Second report of the United States Entomological Commission for the years 1878 and 1879, relating to the Rocky Mountain locust and the western cricket ; and treating of the best means of subduing the locust in its permanent breeding grounds ... /
    By: Riley, Charles V. (Charles Valentine), - Packard, A. S. (Alpheus Spring), - Thomas, Cyrus, - United States Entomological Commission.
    Publication info: Washington :G.P.O.,1880.
    Holding Institution: University of Florida, George A. Smathers Libraries
    BHL Collections: Expanding Access to Biodiversity Literature
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  5. Synopsis of the Acrididae of North America by Cyrus Thomas.
    By: Thomas, Cyrus,
    Publication info: S.l. :s.n.,1873?
    Holding Institution: Canadiana.org (archive.org)
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  6. Third report of the United States Entomological Commission, relating to the Rocky Mountain locust, the western cricket, the army worm, canker worms, and the Hessian fly.
    By: Packard, A. S. (Alpheus Spring), - Riley, Charles V. (Charles Valentine), - Thomas, Cyrus, - United States Entomological Commission. - United States. Congress - United States. Congress. House. - United States. Department of Agriculture.
    Publication info: Washington :G.P.O.,1883.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
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