. Bulletin. Natural history; Natural history. 34 NMl KM. History Survey Vol. 26, Art. 1 on apical tfrgites; ponis lobes, fi^- 66. with lateral annl<"s relatively blunt, slightly down- curved; each cercus stained with pray- lavender near base, color paling to snow- white toward apex. The nvmph. fiji. 59, was described by Ide (19-?5fl:113). Known from central, eastern, and north- eastern states and southeastern Canada. Most of the older published records of album. Fi^. 60.— Torlnpus primus, male genitalia. Fi)i. 61.—Pntamantlius myops, male genitalia. Fij{. 62.—Pentag
. Bulletin. Natural history; Natural history. 34 NMl KM. History Survey Vol. 26, Art. 1 on apical tfrgites; ponis lobes, fi^- 66. with lateral annl<"s relatively blunt, slightly down- curved; each cercus stained with pray- lavender near base, color paling to snow- white toward apex. The nvmph. fiji. 59, was described by Ide (19-?5fl:113). Known from central, eastern, and north- eastern states and southeastern Canada. Most of the older published records of album. Fi^. 60.— Torlnpus primus, male genitalia. Fi)i. 61.—Pntamantlius myops, male genitalia. Fij{. 62.—Pentagenia vittigrra, male genitalia. Fifi. 63.—Ephemera simulans, male genitalia. Fig. 67.—Epiioron album, male genitalia. Fig. 64,—Pentagenia <vittigera, apex of fe- male abdomen, ventral aspect. Fig. 65.—Ephemera varia, male genitalia. Fig. 66.—Ephoron leukon, male 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
