168 PROCEEDINGS OF THE NATIONAL IVIUSEUM vol. 91 



Specimens examined. — One, the type, U. S. N. M. No. 14268. 



Locality records. — Chihuahua and El Paso, Tex. 



Remarks. — This species obviously is a close relative of upsilon, from 

 •which it differs chiefly in the narrowness of the dark bands, which 

 are a third as broad as the spaces between them. 



U. S. GOVERNMENT PBINTING QFFfCE: 1941 



