380 Mr. \V. L. Distant on Iloinopteirx. "~^ 



examined, and their proposed location denoted, as is done in 

 two examples at the end of the present instalment. 



Division Z A M M A R A R I A. 



In this division the pronotal margins are ampliated and 

 usually medially angulate ; the tympanal orifices are more or 

 less exposed — little in Odopoea and very largely in Zammara ; 

 the tegmina and wings (with the exception of some species of 

 Odopoea) are hyaline and usually more or less spotted. 



This division is entirely confined to Tropical and Sub- 

 tropical America. 



Synopsis of Genera. 



A. Tympanal coverings outwardly complete, the orifices only 



exposed inwardly. 

 a. Pronotnm shorter than uiesonotum. 



b. Head (including eyes) about equal in width to base 



of mesonotum .' Odopoea. 



B. Tympanal coverings inwardly complete, the orifices only 



exposed outwardly. 

 art. Pronotnm as long as mesonotum. 



c. Head (including eyes) narrower than base of meso- 



notum '. Miranha. 



C. Tympanal coverings outwardly complete, the orifices very 



widely exposed internally. 



d. Head (including eyes) about as wide as base of meso- 

 notum Zammara. 



dd. Head (including eyes) only about two thirds the 



breadth of base of mesonotum Orellana, 



Genus Odopcea. 

 Odopoea, Stai, Ann. Soc. Ent. Fr. (4) i. p. 616 (1861). 

 Type, 0. dilatata, Fabr. {Tettigonia). 



Odopoea perspicuu, sp. n. 



Head, pronotum, and mesonotum virescent ; mesonotum 

 with subobsolete traces of four obconical spots on anterior 

 margin, the two central smallest; the anterior margin of the 

 cruciform elevation a little castaneous and greyishly pilose ; 

 abdomen above dark castaneous, basally, centrally, longitu- 

 dinally paler; body beneath and legs greenidi ochraceous; 

 tegmina very pale brownish, much suffused and streaked with 

 green, especially on basal half, and with two })roMiinent trans- 

 verse subcostal spots between radial area and apex; wings pale 

 castaneous, nnich suffused with dark castaneous on basal and 

 apical areas. Head (including eyes) about as wide as base 



