48 Journal New York Entomological Society. [Voi. xxiv, 



lighter and nearly of a uniform yellowish color, with a little black about the 

 eyes and on the legs which are more or less streaked, the fore tibiae and tarsi 

 being nearly all blackened. Opercula slightly lighter colored than the seg- 

 ments ; overlapping for more than half of their length ; about half as long as 

 the abdomen and symmetrically narrowed from each side to a rounded point. 

 Uncus when viewed in profile slender and much curved, and when seen from 



G.t"ou)nsendi. CWiWda. 



behind widened and deeply cleft at the extremity. It somewhat resembles in 

 form the iron claw often used in pulling tacks. The insect is quite pruinose 

 beneath, especially on the fore parts, and above, the pruinose areas often cover 

 the lighter markings. 



Measurements (in Millimeters). 



Male Type. Female Allotype. 



Length of body 2^ 25 



Width of head across eyes 9.5 9.5 



Expanse of fore wings 71 72 



Greatest width of fore wing 12 12 



Greatest width of operculum 6 



Greatest length of opercuUun 9 



In addition to the type which is figured, and allotype, the follow- 

 lowing specimens have been examined : 



St. George, Washington Co., Utah, July, male (Engelhardt and 

 Doll.) Davis collection. 



Golden, Colorado, July 18 and 20, 1909. Male and female. Col- 

 lection W. J. Gerhard. 



Morton Co., Kans., 3,200 ft., June, 1902, one male and three 

 females (F. H. Snow). Collection University of Kansas and Davis 

 collection. 



Hamilton Co., Kans., 3,350 ft.. June, 1902, three males (F. H. 

 Snow). Collection University of Kansas and Davis collection. 



