1 lo TETTIGID.E OF XORTH AMERICA 



2. Dorsum lightly scabrous-granulate; median carina of 



jironotum anteriorly a little compresso-elevated; 



vertex ecjual to one of the eyes or little narrower; 



bod\- not so stout. 

 2A. Middle femora strongly sinuate-lobate. iiu-xicaiius, Bol. 

 2H. Pronotal process and wings abbreviated. 



form uicxicaiius abortus, new. 



3. Posterior femora at outer half of su|)erior margin 



dentate, external surface of ])agina with tubercles; 

 wings fully developed. tnbcrculalus, sp. n. 



4. Fronto-lateral carin;e of vertex convex, lateral margins 



of crown sinuate; bod\- moderatelv robust; dor- 

 sum subtectiform; middle femora broad, lightU' 

 lobatc below. 



4A. A[>cx of pronotal process not passing the posterior 



femora. iiiorsci, sp. n. 



4B. Apex of pronotal process passing the posterior 

 femora about one millimeter; wings extenuate. 



form inorsci cxtiiisns, Morse. 



5. Body less robust; vertex not quite so wide, subequal 



to one of the eyes or little wider, fronto-lateral 



carin?e substraight; middle femora strongly com- 



presso-carinate, distinctly lobate below. 

 5A. A[)ex of |)roiiotal process passing the posterior 



femora. form toltccus souorcnsis, new. 



5B. Ape.x of pronotal process not passing the jiosterior 



femora; elytra narrow. toltciiis, Bol. 



5C. Pronotum anteriorly sulco-rugose; body small. 



race ari,zo)nis, new. 



6. Body strongly robust, scabrous; dorsum between the 



shoulders transversely convexo-elevated; pulvilli of 

 posterior tarsi straight below. robustus, sp. n. 



7. Vertex sub(|uadrate, eipial in width to one of the eyes; 



pronotum anteriorly coarctate. 



Spec. Q\\hM\ frcy-gcssncri, Bol. 



8. Margins of middle femora entire or nearly so, rather 



stout. 

 8 A. Vertex wider than one of the eyes; pronotum 



