Sept.-Dec, 1920.] FORBES : NOTES ON THE CRAMBINiE. 217 



Tongue present, though weak ; palpi twice as long as head 

 and more triangular; Sc of hind wing with free part 



long Argyria, part, 



R, free. 



R, stalked, ocelli present Eoreuma. 



Rj free at origin. 



Front rounded, tongue distinct. 



Palpi projecting about length of head Argyria. 



Palpi projecting about twice length of head . . . .Platytes. 

 Front conical, or with a central cone. 



Tongue well developed, Rj arising from cell well before 



Cuj, ocelli present Ommatopteryx. 



Tongue rudimentary, R, arising opposite or beyond Cu; 

 ocelli often absent Chilo. 



Genus Surattha Moore. 

 S. santella Kearfott. Tucson. Ariz., July 22, 1917. 



Genus Prionapteiyx Stephens. 



Dr. McDunnoi:gh calls my attention to the fact that the types of 

 Mesolia and Eugrotca are congeneric, in fact closely related, so that 

 the name Eugrotea is unavailable as used by Kearfott. The best way 

 out would seem to be to divide the series considered Eugrotcas by 

 Kearfott according to the condition of M^ of the hind wing, and put 

 those with M^ from the anterior angle of the cell, at nearly the same 

 point as R, in Mesolia, and the rest in Prionapteryx. The first group 

 also agrees with Mesolia in having a dentate t. p. line and include 

 olivella and hiiachucella as well as dcntdla. Of the latter I have only 

 seen yavapai, which has an even t. p. line like Prionapteryx. 



P. nebulifera Stcph. Brown's Mills, N. J., July 6, 1919 (F. H. Benjamin). 

 P. yavapai Kearf. Wellton. Yuma Co., Ariz., Aug. 6, 1917. 



This series shows an extraordinary amount of variation in vena- 

 tion. Not one specimen matches Kearfott's figure. In one case R5 

 and M^ are stalked half way to the outer margin, and in another they 

 are barely stalked, but generally they are free. M^ and M3 are 

 stalked in six specimens, one of which shows only a rudiment of M3 

 on one side ; they are united in seven. In the hind wing they are 

 consistently united. Sc and R of the fore wing are normally con- 

 nected by a very short cross-vein, but they often anastomose at a 



