CHAMBERS ON TINEINA OF COLORADO. 145 



close to the tip ; the median subdivides into three branches, the last two 

 of which are close together at the end of the cell; cell closed by a dis- 

 tinct discal vein, which sends two branches to the dorsal margin ; sub- 

 median indistinctly furcate at the base. 



B. haydenella n. sp. — Grayish-fuscous. Fore wings rather densely 

 dusted with white, having a tranverse fuscous spot (not dusted) on the 

 fold before the middle ; a smaller one at the end of the cell, and the apex 

 fuscous, not dusted with white. Articulations of the tarsi whitish. Ex- 

 panse of wings, 1\ lines. Dasycera newmanella Clem., to which this species 

 is structurally allied, and Hamadryas newmanella Clem., which is still 

 more closely allied to Dasycera than this species, are found from Texas to 

 New England, but not as yet in Colorado. The separation of Bassettella 

 from Dasycera as a new genus is perhaps questionable, and the generic 

 name Hamadryas has also been giveu to an Australian genus of butterflies. 



Besides the species above mentioned, this little collection also con- 

 tains a specimen of Tinea (sp.?) and two other Tineina, all too much 

 injured for recognition or description. Two only of the thirteen recog- 

 nizable species are new, but four others are new to Colorado, three of 

 the four having been heretofore found in Texas, and the fourth both in 

 Texas and in Kentucky. All of these four were taken north of " the 

 divide" in Colorado, and three of them at an altitude of about 8,000 

 feet near the Snowy Eauge, and where frost and snow are not infrequent 

 in August. It is true that both Texas and Colorado are included by Mr. 

 Wallace in one subdivision of the Nearctic Eegion. But one would 

 scarcely expect such a division to hold good in such a group as the 

 Tineina, whose distribution is governed more perhaps than any other 

 insects by that of particular plant-species. On the contrary, I had 

 expected to find the species of the high plains and cold mountain- 

 regions in latitude 38° to 40° approximating those of British America 

 and the Northern United States in latitude 44°, rather thau those of 

 even the Ohio Valley, latitude 39°, or those of the Texas prairies, lati- 

 tude 32°. Possibly this may yet prove to be the case when we are 

 better acquainted with the species of Canada and New England. But 

 so far as we can now determine, the Tineina of Colorado are to a much 

 greater extent allied to those of Texas than to those of Canada or even 

 of the Ohio Valley. Mr. Wallace suggests that so little is known of 

 the distribution of the Noctuidm and Tineidai that any study of the 

 subject as to their general distribution over the earth must lead to 

 erroneous conclusions, which is no doubt true. Yet enough is known 

 to establish the fact that the families and many if not most of the 

 leading genera are of very general if not of universal distribution; 

 such genera, for instance, as Depressaria, Gelechia, PluteUa, Elaehista, 

 Laverna, Cosmopteryx, Glyphipteryx, Coleophora, Lithocolletis, BucciiJatri.v, 

 and others, each of which is represented in all or the greater number of 

 Mr. Wallace's "regions". 

 10 BULL 



