JANUARY, 1860. 97 



Fore-wings ochreous, dusted with dark fuscous, but leaving 

 a streak of the general hue along the inner margin. Hind- 

 wings dark gray ; cilia rather dark ochreous. Abdomen 

 dark brown and ochreous mixed. 



Cosmiotes.* 



Fore-Avings rather narrowly ovate-lanceolate, with the dis- 

 coidal cell closed acutely. The subcostal nervure is attenuated 

 toward the base of the wing, and subdivides into three 

 maro-inal branches, the first of which arises at about its 

 middle, and sends from the angle of the disk a trifid branch, 

 which is either forked on the costa by an exceeding short 

 branch beforef the tip, and gives rise at about its middle to 

 a branch to the inner margin, or is trifid at its extreme tip. 

 The median is two or three-branched near its end. The 

 submedian is simple. Hind-wings are without a discoidal 

 cell ; and the costal nervure is moderately long. The sub- 

 costal runs through the middle of the wing, (is central,) and 

 is furcate near the tip. The median is well indicated, with 

 two or three short, approximated branches about the middle 

 of the inner margin. 



Size very small. :f Head smooth. Without ocelli. Fore- 

 head rather elevated and rounded ; face rounded and nearly 

 equally broad. Eyes very small, oval and somewhat sunken, 

 scarcely visible in front. Labial palpi moderately long and 

 slender, smooth, pointed and somewhat recurved ; the second 

 joint slightly compressed laterally. No maxillary palpi. 



the same insect from the late Mr. B. D. Walsh of Rock Island, Illinois, who 

 had bred it from blotch-mines on the leaves of Ipomcea purpurea. His speci- 

 mens, and also some I have received from Texas, collected there by Mr. Bel- 

 frage, all agree in size with Dr. Clemens' specimens, and are smaller than our 

 European insect. H. T. S. 



* Afterwards recognized as the genus Elachista. H. T. S. 



f Dr. Clemens has erased this word "before" in the copy of his paper sent 

 me, and has marked in the margin in pencil "behind." " Behind the tip" could 

 only, as I understand the words, be in the apical cilia. H. T. S. 



% A most unfortunate definition, as Dr. Clemens nowhere mentions the size. 

 H. T. S. 



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