. Bulletin of the Department of Agriculture. Agriculture. Bui. 553, U. S. Dept. of Agriculture. Plate. The Chicken Mite (Dermanyssus gallinae). Upper left, eggs; upper center, larva, dorsal view; upper right, first-stage nymph before feeding; below, old roost showing spots of excrement. All much enlarged except the lower figure, which is somewhat reduced. (Original.). 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 Uni
. Bulletin of the Department of Agriculture. Agriculture. Bui. 553, U. S. Dept. of Agriculture. Plate. The Chicken Mite (Dermanyssus gallinae). Upper left, eggs; upper center, larva, dorsal view; upper right, first-stage nymph before feeding; below, old roost showing spots of excrement. All much enlarged except the lower figure, which is somewhat reduced. (Original.). 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 United States. Dept. of Agriculture. [Washington, D. C. ?] : The Department : Supt. of Docs. , Govt. Print. Off.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectagriculture, bookyear
