Hind wing of Chirotonetes albomanicatus. From Comstock (fig. 223) The wings of insects,
, Ithaca, N.Y., (1918)
[1].

Fore wing of Chirotonetes albomanicatus. From Comstock (fig. 222) The wings of insects,
, Ithaca, N.Y., (1918)
[1].

Wing of Heptagenia interpunctata. From Comstock (fig. 218) The wings of insects,
, Ithaca, N.Y., (1918)
[1].

Wing of Epeorus humeralis. From Comstock (fig. 61) The wings of insects,
, Ithaca, N.Y., (1918)
[1].