Manuscript entitled, Fossil Flora and Fauna of the Pennsylvanian Period, Will County, Illinois
by George Langford (1876-1964)
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Insect wing & winged insects, including Thesoneura americana and Teneopteron mirabile,
three new species, two new genus & an holotype, page 118-1.

Note: the scan of the original page 118 is here.  The original page was letter size but the image may have been cropped slightly. 
To view any of these images at high resolution (300 dots per inch instead of 100 as on the full-page images) right-click on the image and select
view image.
The links on the top row all point to a second webpage 118 with higher-resolution images of the fossil photographs.
[The holotype specimen of Teneopteron mirabile pictured at the far right is now in the Illinois State Museum database as No. 14887 - GL,III, ed.]
Insect wing: Thesoneura americana.
New genus, new species.
Winged insects - two species.
Insect wings, new species.
Teneopteron mirabile.
Holotype, new genus, new species.
Insect wing - Theseneura americana, GL sketch, page 118
Winged insects, two species, GL photographs, page 118
Insect wings, new species, GL photographs, page 118
Teneopteron mirable, holotype, new genus, new species, GL photographs and sketch, page 118