. Elementary entomology. Insects. cs. a a a FIG. 441. Venation of a cossid (Prionoxystus robinae] (After Comstock, from Kellogg) FIG. 442. Venation of a hes- perid (Epargyrens titynis} (After Comstock, from Kellogg). 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 Sanderson, Dwight, 1878-1944; Jackson, C. F. (Cicero Floyd), b. 1882. Boston, New York [etc. ] Ginn and Company

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