. Sacbrood. Bees. Bui. 431, U. S. Dept of Agriculture. Plate 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 White, G. F. (Gershom Franklin), b. 1875. Washington, Govt. Print. Off.

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Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
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Keywords: ., bookcentury1900, bookdecade1910, bookpublisherwa, booksubjectbees