. Bulletin. Geography. 96 ANIMAL COMMUNITIES OF STREAMS May-fly nymphs, the flattened Heptageninae, and the more or less rounded Siphlurus (95) (Figs. 48, 49, 50), evidently succeeding well together. This fact makes the value of the flattening as an adaptation appear nil. There are also the larvae of midges {Chironomus sp.) (98) and of horse- flies (Tabanus) (Figs. 51, 52). The adults of the latter deposit their eggs in great masses on the tops of the stones which protrude from the water. The stone-fly nymphs, similar to the Heptageninae May-fly. Please note that these images are extracted fro
. Bulletin. Geography. 96 ANIMAL COMMUNITIES OF STREAMS May-fly nymphs, the flattened Heptageninae, and the more or less rounded Siphlurus (95) (Figs. 48, 49, 50), evidently succeeding well together. This fact makes the value of the flattening as an adaptation appear nil. There are also the larvae of midges {Chironomus sp.) (98) and of horse- flies (Tabanus) (Figs. 51, 52). The adults of the latter deposit their eggs in great masses on the tops of the stones which protrude from the water. The stone-fly nymphs, similar to the Heptageninae May-fly. 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 Geographic Society of Chicago. Chicago, Ill. : Published for the Society by the University of Chicago Press
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectgeography, bookyear19
