. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. North American Ptomaphagus • Peck 99 lis 116 117 c= 120 119 ^^^^^^=i=^=oa3lXJI> 122 121 125 arDdXI] oixb 128 129 oaoocD "' .^DOdDOaoc^ .«. °^33 133 COI^DG CCD^^- 134 mm. 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