. Bulletin. Natural history; Natural history. Fig. 91.—Rhyacophila lobijera larva, anal hook. Fig. 92.—Agapetus illini larva, pronotum. Fig. 93.—Glossosoma intermedium larva, pronotum. Fig. 94.—Agapetus illini larva, plate of tenth tergite. Fig. 95.—Agapetus illini larva, anal hooks. Fig. 96.—Protoptila lega larva, anal Fig, 97.— Rhyacophila lobijera pupa, mandi- bles. Fig. 98.—Protoptila lega pupa, left mandible. Fig. 99.—Agapetus illini pupa, left mandi- ble. Fig. 100.—Glossosoma intermedium pupa, left mandible. Fig. 101.—Protoptila lega pupa, head, ven- tral Please note tha

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. Bulletin. Natural history; Natural history. Fig. 91.—Rhyacophila lobijera larva, anal hook. Fig. 92.—Agapetus illini larva, pronotum. Fig. 93.—Glossosoma intermedium larva, pronotum. Fig. 94.—Agapetus illini larva, plate of tenth tergite. Fig. 95.—Agapetus illini larva, anal hooks. Fig. 96.—Protoptila lega larva, anal Fig, 97.— Rhyacophila lobijera pupa, mandi- bles. Fig. 98.—Protoptila lega pupa, left mandible. Fig. 99.—Agapetus illini pupa, left mandi- ble. Fig. 100.—Glossosoma intermedium pupa, left mandible. Fig. 101.—Protoptila lega pupa, head, ven- tral 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