HANCOCK 1 29 



below; facial costa moderately compressed; body 

 slightly stouter. aridiis, sp. n. 



5. Anterior femora obscurely undulate, inferior margin 



at the middle with little lobe; pronotal process 

 barely passing the posterior knees; dorsum sub- 

 gibbose anteriorly. fallax, Bol. 



6. Dorsum rugose minutely tuberculose, humeral angles 



subdistinct; median carina distinct, subundulate. 



mi nut IIS, sp. n. 



7. Pronotum posteriorly not passing knees of hind 



femora; dorsum lightly rugose-tuberculose. 



VI. rugosus form it. 



TELMATETTIX HESPERUS, MORSE. 



Plate IX., Figs. 8 and g. 



Body moderately slender, smoothly granulose, pronotum 

 anteriorly advanced upon the head to the eyes. Color variable, 

 rufous, gray, or black, frequently with the posterior femora 

 and lower third of sides of pronotum pale. Vertex distinctly 

 narrowed anteriorly, narrower than one of the eyes, the crown 

 of the head approximately twice as long as the breadth, 

 (between the fronto-lateral carince in the male); the front 

 border of vertex subsinuato-truncate, advanced to or very 

 nearly as far as the anterior border of the eyes, median carina 

 appreciable anteriorlj', scarcely minutely projecting, on either 

 side of median carina longitudinally canaliculate. Frontal 

 costa in profile little obliquely depressed and not advanced 

 before the eyes, between the antenna; subprotuberant, little 

 sinuate below, viewed in front narrowly furcate, the rami a 

 little more widel}' separated below. P^yes rather small, glo- 

 bose. Pronotum granulose, anteriorly truncate, not con- 

 stricted before the shoulders, posteriorly extenuate, passing 

 the posterior femora from two and a half to four millimeters; 

 dorsum between the shoulders narrow, a little elevated, trans- 

 versely depresso-convex, humeral angles not at all prominent, 

 obtuse; median carina indistinctly or very little elevated, 

 between the shoulders obscure, scarcely compressed before 



