Sept., I9II.] Barnes-McDunnough : New Lepidoptera. 161 



prominent white transverse line, very slightly angled inwardly on Cuo and 

 continued to inner margin by a faint dark strongly incurved shade ; from the 

 upper end of this line a darkish shade extends to apex of wing, containing 

 several black dashes on veins ; terminal area beyond white transverse line 

 and below apical dark shade considerably lighter than remainder of wing, 

 with indistinct white dashes between the veins; traces of a brown outcurved 

 line across cell and a small dark discal dash, fringes slightly checkered. 

 Secondaries smoky, lighter towards inner margin. Beneath dark smoky, with 

 traces of white margin along apical portion of costa and outer margin of 

 primaries ; secondaries lighter basally. 

 Expanse 25 mm. 



Habitat. — Yavapai Co., Ariz. (May 21-31). 4 d'c?. Types Coll. 

 Barnes. 



We have created a new genus for this species as we have been 

 unable to find any in Schaus' Revision of Am. Notodontidse which at 

 all correspond ; the use of the key would leave us a choice between 



Fig. I. Venation of Ursia noctuifonuis sp. nov. 



Antiora and Anurocampa. neither of which however agrees in vena- 

 tion with our species. Mr. Grossbeck, who has seen the species, was 

 at first of the impression it belonged in the Geonietridse, but on a 

 careful study of the venation informs us that it should probably come 

 in the Notodontida.\ 



Family PYRALID^. 

 Subfamily Pyraustin^. 

 Lipocosma albibasalis, new species. 



Palpi and head scaled with brownish ; thorax and abdomen white, latter 

 with brown dorsal scaling : primaries, basal half pure white with a minute 

 brown dot on costa near base and a few dark scales on inner margin ; 

 remainder of wing brown, shaded in terminal area with white ; line of demar- 



