HANCOCK 1 39 



passing the posterior femora or abbreviated; median carina of 

 pronotum conspicuous, acute; small lateral carina before the 

 shoulders present; dorsum of pronotum granulose or provided 

 with irregularis^ disposed longitudinal rugulje, sometimes vein- 

 like. Elytra towards the apex frequently marked by a pale 

 spot; wings abbreviated or more frequentlv passing the apical 

 process. Anterior femora above sulcate; middle femora 

 externalh' generally unicostate; posterior femora with the 

 external pagina possessing oblique bands, interstices granu- 

 lose; first and third articles of posterior tarsi subequal in 

 length or the first a little longer, the first, second, and third 

 pulvilli increasing in length, or the second and third subequal, 

 the inferior margin not at all spinose, usuallv straight below. 

 Valves of ovipositor sub-scabrous or dentate. 



Tettigidea, Scudder. Bost. Jour. N. Hist., vii., 476 (1862); 

 Bolivar. Ann. Soc. Ent. Belgique, xxxi., 121 (1887). 



DISPOSITION OF SPECIES. 



1. Pronotum with the antero-dorsal margin acutely pro- 



duced over the head covering the occiput, dorsum 

 more or less longitudinall}- rugulose. 



2. Vertex little advanced bevond the eves; antero-dorsal 



margin of pronotum stronglj- produced terminating 

 in sharply pointed cusp with excavate sides. 



3. Pronotal process and wings passing posterior femora. 



ariiiata, Morse. 

 3A. Apical process of pronotum abbreviated, wings 



abortive. a. depressa, Morse. 



5. Eyes depressed, not prominent; vertex subconical, 



distinctly produced before the eyes, anterior carinse 

 strongly oblique; dorsal front margin of pronotum 

 produced subrectangular, terminating in finely 

 pointed deflected cusp. apiculata, Morse. 



6. Dorsum transversely between the shoulders subcon- 



vex, smoothh' granulose with faint irregular ruguls, 

 the produced antero-dorsal margin of pronotum 

 lightly sinuate; eyes prominent. ac7(ta, Morse. 



