. Bulletin. Natural history; Natural history. PRISON: STONEFLIES, OR PLECOPTERA, OF ILLINOIS 359. Fig. 291-295 —Dorsal views of Allocapnia, nvmphs and adults. 291. (Top left), A. w/rt,nvmphal male. 292.—(Top center), A. vivipara, adult female, showinu short wings and darkly sclerotized eighth, ninth and tenth abdominal segments. (Top right), A. vivipara, adult male, showing lack of wings. 294. -(Bottom left), A. granulata, adult female, showing long wings. (Bottom right), A. granulata, adult female, with wings clipped to show tenth abdominal segments. (lar kl\' sclerotized ninth am.
. Bulletin. Natural history; Natural history. PRISON: STONEFLIES, OR PLECOPTERA, OF ILLINOIS 359. Fig. 291-295 —Dorsal views of Allocapnia, nvmphs and adults. 291. (Top left), A. w/rt,nvmphal male. 292.—(Top center), A. vivipara, adult female, showinu short wings and darkly sclerotized eighth, ninth and tenth abdominal segments. (Top right), A. vivipara, adult male, showing lack of wings. 294. -(Bottom left), A. granulata, adult female, showing long wings. (Bottom right), A. granulata, adult female, with wings clipped to show tenth abdominal segments. (lar kl\' sclerotized ninth am. 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 Illinois. Natural History Survey Division. Urbana, State of Illinois, Dept. of Registration and Education, Natural History Survey Division
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Keywords: ., booka, bookcentury1900, bookdecade1910, booksubjectnaturalhistory
