This is the insect previously mentioned in these papers as Leucanthiza Ornatella. At first I was inclined to place it in Lithocolletis, but a consideration of some of its peculiarities induced me to place it provisionally in DR. Clemens genus, Leucanthiza. On examination of the neuration of the wings, however, and of aome other points in its structure and habits, it seems to me to belong more properly to Lithocolletis, though it differs from it in some respects and approaches Leucanthiza, and more remotely, Phyllocnistis and Lyonetia.