G M A N I N .E. 73 



r». Tvmpanal coverings both narrower and shorter than 

 tympanal cavities. 



ft. Wings with five apical areas Ji/tstia. 



b. Wings with six apical areas. 



d. Opercula in c5' short and transverse, not or scarcely 

 extending beyond base of abdomen, 

 e. Head deflected anteriorly, front not prominent. 

 /. Pronotnm distinctly shorter than mesonotum. 

 (J. Length of head about equal to breadt'i 

 between eyes ; abdomen in (^ longer than 

 space between npex of head and base of 

 cruciform elevation. 

 h. Greatest width of tegmina only one-third 



of length, broader than wings Terp/iosi'a. 



hh. Greatest width of teginina considerably 

 more than one-third of length, but 



scarcely broader than winss Sena. 



(jij. Length of head less than width between 



eyes; abdomen in J about as long as 



space between n])ex of head and base of 



crucifonu elevation. 



lihh. Tegmina in (^ more thiin three times 



as long as broad Tamasn. 



hhhh. Tegmina in c5' a little more than twice 

 or less than tiiree times as long as 



broad Cicadatra. 



dd. Opercula in (S short but well developed, at 

 least reaching apex of second abdominal 



segment Khimbi/u. 



ddd. Opercula in c5' extending beyond the middle of 

 abdomen. 

 ee. Head not deflected anteriorly, the front very 

 prominent. 



ff. Pronotnm as long as inesonotura Lcthama. 



C. Tympanal coverings shorter, but not narrower, than 

 tympanal cavities. 



eee. Head with the front prominent, its Lateral 



margins at right angles with anterior margins 



of vertex . 



i. Lateral margins of pronotnm ampliate, 



narrowed anteriorly. 



k. Abdomen beneath strongly channelled near 



lateral margins Kamalata. 



ii. Lateral margins of pronotum convex ante- 

 riorly, medially coucavely sinuate. 

 hk. Abdomen beneath obliquely recurved near 



lateral margins Busa, 



2. Abdomen in J tuberculate beneath on second and third 

 abdominal segments. 

 a. Head about as long as half the width between eyes ; 



wings with six apical areas Calcayniyiua. 



aa. Head as long as width between eyes ; wings with five 



apical areas Gudaba. 



