WOODWARD, J.J. "Proboscis of House Fly" (magnified 85 diameters). Albumen print from a photomicrographic negative, 6 1/4 inches (15.7 cm.) square, on the original gilt-ruled and lettered Surgeon General, Army Medical Museum, War Department mount, with Woodward's printed credit, a caption, and notations, in ink, on mount recto. 1872
