124 Annals of the Carnegie Museum. 



dd. Frontal costa less prominent and not at all conspicuous when viewed 

 from above. 

 e. Disk of the pronotum furnished with two or more well-defined supple- 

 mental carina? on each side of the middle. 

 /. Apex of the pronotum and wings scarcely reaching to the tips of the 



hind femora (North Carolina and Georgia) prorsa Scudder. 



ff. Apex of the pronotum extending beyond the tips of the hind femora 



(Georgia) prorsa elongata Morse. 



ee. Disk of the pronotum provided with but a single inconspicuous carina 

 on each side parallel with the humeral angles. 

 /. Pronotal process little, if any, longer than the abdomen, scarcely 

 reaching the hind femora; the wings somewhat abbreviated 



(Mexican Plateau, southward) chichimeca Saussure. 



ff. Pronotal process subulate, surpassing the apex of the hind femora; 

 wings fully developed and exceeding the pronotum in length 

 (Cuernavaca, Morelos, Mexico) . .c/z/c/r/wcca australis Hancock. 

 cc. Tegmina unicolorous, immaculate apically. 



d. Size medium, the body robust, with abbreviated pronotal process and 

 wings. 

 e. Disk of the pronotum granular and provided on each side with at 

 least two well-marked supplemental carinae. Top of the head de- 

 pressed and without a pair of supplemental carinae that parallel the 



median (Ciudad, Mexico) lecla Morse. 



ee. Disk of the pronotum rugoso-glabrous and provided on each side with 

 but a single inconspicuous supplemental carina. Top of the head a 

 little convex and provided on each side of the middle with a strong 

 longitudinal carina that is both heavier and longer than the median 



(Chapada, Brazil) annulipes sp. nov. 



dd. Size small ( ? , 8 mm.). Pronotum and wings surpassing the hind femora 



(Upper Amazon) scudderi Bolivar. 



bb. Dorsum of the pronotum simply granulose or rugose, not provided with well- 

 defined supplemental, longitudinal carinae. 

 c. Size of insects variable, but usually rather large. Tegmina marked at or 

 near the apex with an oblique line or band. 

 d. Median carina of the pronotum alternately pallid and fuscous. The 

 dorsum somewhat rugose. 

 e. Pronotum and wings abbreviated. General color brownish testaceous. 

 Median carina of pronotum somewhat undulate (southern Mexico). 



briineri IVIorse. 

 ee. Pronotum and wings variable. Color also variable. 



/. .Size moderately small ( 9 , lo mm.). Color pale gray. Pronotum 

 extending a little beyond the apex of the hind femora (Guate- 

 mala) quaiemalica Bolivar. 



ff. Size larger ( 9 , 12-14 nim.). Color chiefly fuscous. 



g. Legs ferrugino-testaceous quite conspicuously annulated with 

 fuscous. 



