. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. North American Ptomaphagus • Peck 97 ^3(0000 100 101 102 ID=D^ ^^:::^: 99 5=00311100 tooo. lOOO 103 104 105. 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 Harvard University. Museum of Comparative Zoology. Cambridge, Mass. : The Museum

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Keywords: ., bookauthorharvarduniversity, bookcentury1900, booksubjectzoology