51 



hh. Vertex not acuminate in front of tbo eyes ; head globose : 



j. Vertex obtusely rounded without lateral foveolai; pro- 



notum sub-cylindrical Boopedon. 



jj. Vertex more or less obtuse, foveolate ; pronotum more or 

 less distinctly tricarinate : 



Jc. Vertex very obtuse ; lateral foveolte short quadrate ; disk 



of the pronotum marked with a white cross Stauronotus. 



Tck. Vertex more or less obtuse, varied ; lateral foveolas tri- 

 angular : 



I. Median carinaof the pronotum sub-cristate, slightly arcuate • 



on top, or straight ; not denticulate, continuous ; frontal 



costa, above the ocellus, slightly bi-sulcate Tomonotus. ' 



II. Median carina of the i)ronotum various but not sub-cris 



tate, generally more or less notched or interrupted ; 



frontal costa not bi-sulcate above the ocellus QSdipoda. 



aa. Prosternum obtusely tuberculate Stetheophjma. 



II. Pronotum extending backward to the extremity of the abdomen: 



A. Pronotum arched roundly Batrackidea. 



AA. Pronotum nearly or quite horizontal : 



a. Antenna} 13-14-iointed Tettix. 



aa. AnteuniB 22-jointed TetUgidea. 



