. The classification, evolution, and dispersal of the winter stonefly genus Allocapnia. Insects; Allocapnia. 136. Fig. 85. Terminal abdominal segments of AUocapyiia minima (A), maria (E), and three apparent hybrids (B, C, D). (From Hanson, 1960.). 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 Ross, Herbert Holdsworth, 1908-; Ricker, William Edwin. Urbana, University of Illinois Press

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Keywords: ., bookcentury1900, bookcollectionbiodiversity, booksubjectinsects