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  1. May flies and midges of New York. Third report on aquatic insects. A study conducted at the entomologic field station, Ithaca, N. Y., under the direction of Ephraim Porter Felt. By James G. Needham, Kenneth J. Morton [and] O. A. Johannsen.
    By: Needham, James G. - Felt, Ephraim Porter, - Johannsen, O. A. - Morton, Kenneth J.,
    Publication info: Albany,New York State Education Department,1905.
    Contributed by: University of California Libraries (archive.org)
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