1893] MARYLAND ACADEMY OF SCIENCES. 173 



little less tlian the widtli between tlie wing-covers. 

 Pronotum tawny, silvery pubescent, as wide as the ab- 

 domen is across the middle, sutures, anterior sub-margin 

 and lateral margin black, anterior angles prominent, 

 lateral expansions angular, with the anterior side a little 

 shorter than the posterior one, and with a tabulated and 

 reflexed border; the mesonotum convex, smooth, silvery 

 pubescent on the sides, not much wider than the head 

 across the eyes, two long black spots run back from the 

 base, which are bounded by the looped impression, a 

 small spot stand, each side of these, and exterior to the 

 latter is a curved streak parallel with the exterior mar- 

 gin, impression in front of the cruciform dorsolum is 

 marked with a three-pointed large black spot, the 

 dorsolum more or less infuscated, and wrinkled in the 

 impression of each side. Beneath greenish testaceous, 

 polished, silvery pubescent on the sides. Operculapale, 

 about one-fourth the length of the venter, lobate at the 

 inner ends which are separated by a narrow space; 

 drums exposed inwardly, with small inflated covers 

 exteriorly. Legs greenish fulvous, with the knees more 

 or less clouded with brov,^n, the anterior femora stout, 

 marked above, at tip and exteriorly with brown, and 

 with the two teeth piceous ; tibiae with an obscure 

 brown band on the middle, the tibial spines, as well as 

 the tarsal nails also piceous. Wings of the usual long 

 and narrow form, transparent, spotted with brown near 

 the tips of the apical veins, as well as at the base of each 

 apical areole, excepting the sixth, the mark at the end of 

 the seventh apical vein is bent into the form of a hook, 

 the first and third areoles sub-equal in length, acute at 

 base, narrow and nearly one-third longer than the 

 second, base of all the wings more or less fulvous 

 around the red of the flaps and basal areole, with the 

 fold of the wing flap and the exterior margin of all the 

 wings brown, Tergum polished, humped and piceous at 



