58 EDWARD NORTON, 



Peuna.; Virginia, (Coll. Am. Eat. Soc.) Illiuois, (B. D. Walsh.) 

 Three females. 



The abdomen is short and stout and pi)iuted like JV^cmafus. 



b. Second and intersection of second and third subniarginal cells each with 

 a recurrent nervure. 



IS. SCOBINA, Lepel. 

 Hijlotoma, f f f Lepel., Monogr. 1823, 48, 140. 

 Scohina, Lep. et Serville, Encyc. Meth. x. 1827. 

 Brulle, Hyra. iv, 609. 

 Wings. — One marginal, not appendiculate, and four submarginal 

 cells, the second and intersection of second and third each receiving a 

 recurrent nervure. 



Antemix of females villose, clavate, sub-capitate. 

 Tibiae simple. — Brulle. The four hinder tibife unispinose in the 

 middle. — Lepel. 

 Country unknown. 



Three submarginal cells. 



19. THEMOS. 

 Hylotoma, *SKiK;:-«-;;:-;f^ Klug, Jahrbuch,. 1834. 249. 



Wings. — One marginal, not appendiculate and three submarginal 

 cells, of which the first receives two recurrent uervures. 

 Tiblec all simple. 



1. Themos hyaline, n. sp. 



Head and thorax ochraeeous; abdomen black; wings violaceous opaque, at 

 ajiex hyaline. Length 0.4S. Br. wings 0.49 inch. 



S . Antennae very short, not reaching scutel, clavate, villose with 

 short brownish hair; color black, the two basal joints pale. Head 

 nearly as wide as thorax, color of both ochraeeous; tegulse same color; 

 metathorax and abdomen black, with bluish reflections; abdomen 

 stout, wider in middle. Anterior legs ochraeeous, the tibire black 

 above, posterior legs purple. Wings ample, brownish violacejus, 

 opaque, apex of upper pair abruptly and perfectly clear; first submar- 

 ginal large, and receiving two recurrent uervures; lanceolate cell pe- 

 tiolate ; under wings with two middle cells, the lower one diamond- 

 shaped, small, its lanceolate cell small. 



But one bulla in each of the submarginal cross-uervures. the outer 

 one small and in the middle of the nervure. 



Pennsylvania. One male. 



This came from the Smithsonian Institute and is marked I'ennsyl- 

 vauia. but is probably from Mexico or South America. 



2. T. (Hylotoma) Olfersii. Klug, Jahrbuch.. 1834, 249, 91, % . Brulk'. llyni. iv, 



669.— Brazil. 



