Mr. W. L. Distant on llomopteia. 429 



Antankaria, gen. nov. 



Lciij^tli of head about half the breadtli between eyes and 

 (inchidinf^pycs) as wide as base of nicsonotum ; eyes ciiciilar, 

 globular, moderately directed upward ; pronotiim a little 

 narrowed behind eyes, about as long- as mesonotum in front of 

 the cruciform elevation ; abdomen longer than space between 

 apex of face and base of cruciform elevation ; rostrum reaching 

 posterior coxa? ; anterior femora stroTigly toothed beneath; 

 opercula in type not passing the base of metasternura ; teg- 

 mina and wings talc-like. 



TypCj ^4. madagascariensis^ Dist. [Cicada], 



Cacama, gen. nov. 



Head (Including eyes) little more than two thirds the 

 breadth of base of mesonotum, anteriorly depressed, its length 

 only a little more than half the breadth between eyes; pro- 

 notum considerably shorter than mesonotum, its lateral 

 margins obliquely sinuate ; mesonotum somewhat convexlj 

 gibbous ; abdomen sliort, broad, convex above, its length 

 equal to the space between apex of head and base of cruciform 

 elevation, the lateral margins a little angulate at posterior 

 segmental angles ; tympana completely covered, lateral 

 margins of the tympanal coverings subparallel to the abdo- 

 minal margins ; rostrum reaching or passing the posterior 

 coxae ; metasternura very large ; opercula about half the 

 length of abdomen above, broad, their apical margins con- 

 vexly rounded, their lateral margins almost straight ; tegmina 

 and wings (exce|)ting base) hyaline, the first broad, their 

 greatest w idth a little less than half their length, apical areas 

 eight in number, the two lowermost small, subquadrangular. 



Type, C. maiira, Dist. (Proarna). 



Okia, gen. nov. 



Head (including eyes) very much wider tliari base of meso- 

 notum, its length not quite half the breadth between eyes, 

 lateral margins almost obliquely straight, very slightly 

 sinuate ; pronotum shorter than mesonotum, its lateial margins 

 moderately rounded, its posterior margin waved or broadly- 

 sinuate ; abdomen narrowed posteriorly in both sexes ; the 

 tympana covered, tympanal coverings in male about as long 

 as broad ; rostrum extending about halfway between the 

 intermediate and posterior cox?e and terminating in the 

 grooved anterior area of the metasternal process ; opercula 



