520 BULLETIN UNITED STATES GEOLOGICAL SUEVEY. [VolY. 



dorsal line obsolete, visible only near tlie middle. Elytra witb shallow 

 striee, formed of quadrate punctures, interspaces somewhat elevated, 

 not wider than the stiise, with the hairs arranged in rows. Length, 

 2,5™™, 



Veta Pass; one specimen. This species resembles in appearance 

 Hylesinus opaculus, but is quite different in characters. The joints of the 

 antenuEe are less prolonged than in the other species, so that the club 

 becomes elongate-oval, and as long as the remaining joints united. 



