THE CANADIAN ENTOMOLOGIST. 231 



Driotjira ^ammeroidea, var. ftdva. n. var. — Size and form of the 

 species larger tlum \2a.flava. Entirely brownish fulvous, except the eyes, 

 which are darker. 



Described from eight specimens from Denver, Colo., collected by the 

 author. 



Driotiira robusta, var. viitain, n. var. — Size and form of the species, 

 black and white, variable. Vertex with a transverse light line on anterior 

 margin, expanded into two spots at apex ; four oblique black stripes on 

 elytra, alternating with four light ones. A transverse light band on 

 abdomen, and a broader one on face. 



Described from six examples from Southern Colorado. 



Acinopterus acuminatus, var. variegatiis, n. var. — Form and structure 

 of the species, but much lighter coloured. Vertex, pronotum and 

 scutellum inclined to be reddish, especially in the male. Elytra whitish 

 pruinose, nervures greenish, not margined, except towards apex and along 

 the sutural margin, three fuscous points along the suture, and sometimes 

 one on the disc of each elytron. 



Described from twenty-four specimens from Colorado and Arizona. 



A. aauninatics, var. viridis, n. var. — Form and structure of the 

 preceding nearly ; slightly smaller. Bright grass-green both above and 

 below. Eyes and extreme tip of elytra fuscous. 



Described from a number of specimens from Southern Colorado and 

 Arizona. This is the common form in Southern Colorado, where it was 

 collected by E. P. Van Duzee and the author. 



A. acuminatus, var. bi-iumeus, n. var. — Slightly larger than the pre- 

 ceding variety. Vertex, pronotum and scutellum pale green, washed with 

 cinnamon-brown. Elytra pale cinnamon-brown, slightly fuscous at tip. 

 Whole insect'with a slight tawny iridescence, below pale green. 



Described from three specimens from Rifle, Colo,; taken by the 

 author. 



Liburiiia Slossoni, n. sp. — Resembling Stenocra^ius lautus in size 

 and general appearance. Somewhat resembling D. maidis. Length, 

 macropterous 9 > 5 '^^^- Face broad, strongly carinate, slightly narrow- 

 ing above. Elytra very long and narrow, resembling a Stenocranus^ the 

 outer branch of the first and the inner branch of the third sector uniting 

 with the cross nervure alongside the second sector. Colour : Face 

 black, the carina light, basal compartment of vertex, pronotum and 



