Teneina of Colorado. 299 



second joint brown ; antennse grayit^b-brown faintly annulate with gray ; 

 thorax and abdomen dark gray; patagia a little paler; forewings 

 gray, marked with numerous small brown spots, which are usually 

 arranged rather irregularly, but which sometimes seeming to form 

 about five longitudinal rows, one of which extends along each margin, 

 and usually, one of the spots on the dorsal margin, and one before its 

 middle, three beyond the middle of the costal margin, and one at the 

 apex, are larger than the others, but in a series of specimens, the 

 spots are found to vary, both in position and size; cilia of the forewings 

 gray, those around the apex densely dusted with brown, and with a 

 narrow pale ocherous hinder marginal line about the middle ; hind 

 wings and cilia paler gray ; fore legs dark gray, annulate with whitish 

 with the femora pale gray at the base, and mixed with reddish ocher- 

 ous on their outer surface; intermediate legs dark gray, annulate with 

 whitish, with the tarsi pale gray ; hind legs pale gray, marked with 

 dark gray, with the tibia and tarsi paler and annulate with whitish. 

 Al. ex. 8 lines. 



G. alnicolella (n. sp.) 



Pale brick red with strong roseate or purplish reflections in some 

 lights ; antennae silvery white, each joint with a brown dot on the 

 upper side ; tarsi silvery white, faintly annulate with fiiscus at the 

 joints; abdomen and anal tuft pale straw yellow, the upper surface a 

 little suffur^ed with fuscus. AL ex. eight lines. A more graceful and 

 slender insect than the preceding. 



Both of these species are found in great numbers along the course 

 of Clear Creek and Grand River to an elevation of at least 9,000 feet, 

 and I have also met with their larvse along the Fontain-qui-bouille near 

 Colorado Springs. 



G. acerifoliella (n. sp.) 



Palpi, bead, antennse, thorax and forewings ocherous, with brown 

 intermixed, the antennse annulate with dark brown, and the thorax 

 sometimes without the brown dusting. There is a brown streak near 

 the ba>e of the forewings passing obliquely backwards and reaching 

 the fold, a brownish spot on the dorsal margin, not flir from the base 

 and the middle of the wing, is suffused and sprinkled with brown, the 

 brown becoming much more distinct toward the apex ; there is a row 

 of brown dots along the costal, and one along the dorsal margin to the 

 cilia, which are sprinkled and tipped with brown, the dusting indicating 



