Upper side black, marked and spotted with deep red fulvous, much as in P. vesta,.both wings have a submarginal series of small crescents, the one on middle of primaries considerably larger than any other; on primaries this series is preceded by a sinuous row of small spots, and next by a bent row of larger ones; a fourth row curves round the end of the cell, and there are some spots in and below cell. Secondaries have two rows of irregular small spots across the extra discal area, and across the disk a broad band; some spots in cell and on basal area; fringes fuscous alternating with white.

The “species” of the black-winged group (Mormonia of Hübner)comprised in the genus Catocala have been largely augmented as the collections are increased throughout the country. Without doubt, when we shall be thoroughly conversant with the immature stages, our knowledge of the species will be more perfect.

With ten specimens of fasciella and two of 5-notella before me, with scarcely a trace of variation in the ten, but with the two differing from each other somewhat and both differing very decidedly from the ten, I had no doubt as to the distinctness of the two species. A larger series, however, induces the belief that they belong to the same species. The difference between them may be thus stated: In fasciella the base and apex of the fore wings are brownish-gray, and between these portions are three brownish-gray and four white fasciæ, all very distinct and well defined. ln 5-notella the whole dorsal half of the wing is white, there is a small brown spot on the base of the costal margin, another further back, and stil1 further back another which in the middle of the wing is produced backwards to the gray-brown apical part of the wing, which encloses two small white costal streaks.

This species has the thoracic vestiture mixed with hair-like scales, and it agrees in all respects with C. iaspis as to structure and pattern of ornamentation. It differs from Bryophila lepidula in these respects and in that the abdomen is more strongly tufted. I have taken all these species in June and July in the vicinity of Buffalo.