. The affinities of the North American species of Gomphus as revealed by the genitalia (Odonata, Gomphidae). Gomphus (Fungi). WALKER: AFFINITIES OF N. A. SPECIES OF GOMriWS. 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 Walker, E. M. (Edmund Murton), 1877-1969; Royal Ontario Museum. Toronto : Royal Ontario Museum

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