Type specimens at Ohio State University.

2. Eriophyes? sp.

Leaf edge gall; edge inrolled involving little more than the teeth. Variable in length from .5-2 cm. or longer, 1 mm.-2 mm. thick. Outer surface of affected area finely roughened; color of under side of the leaf. Thompson states that mites live within the fold. His report is the first one on this gall. Species of hickory on which specimens were found not determined.

Thompson, Illus. Cat. Am. Ins. Galls. 1915. p. 57, pl. 10, Fig. 260.

ITONIDIDÆ.

3. Caryomyia nucicola, O. S.

“Irregular swelling in the husk produced by the reddish larvæ. Reference to Caryomyia provisional.” Felt. “Contain thick walled cells. On Carya (Hicoria) alba.” Jarvis.

4. Cecidomyia cynipsea O. S.

“Rounded, irregular, hard swelling on the under side of the hickory leaf, on the mid-rib near the base of the leaf about half an inch long. In July, pale yellowish and contained in several small hollows, minute whitish larvæ, with breast bone narrowed anteriorly and ending in a point.” Osten Sacken.