. Synopsis of the North American Syrphidae [microform]. Syrphidae; Diptera; Syrphidés; Diptères. IMAGE EVALUATION TEST TARGET (MT-3) % A i /. ^ ,<? :/- â 10 1^ 1^ 1^ in ^ 1^ i I!: 1^ 11^ m U III VI /Q ^;. '/. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Williston, Samuel W. (Samuel Wendell), 1851-1918. Washington : G. P. O.

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Keywords: ., book, bookcentury1800, bookdecade1880, bookpublisherwashingtongpo