Mr. W. L. Distant on Homoptera.. 381 



of niesonotum ; lateral pronotal margins angularly ampliated ' 

 opcrcula in male short, not meeting inwardly ; teginina long 

 and narrow. 



Long., excl. tegni., 29 nun. ; ex]). te^m. 80 mm. 



Uab. Sao Thome {Nejreiros, Paris Mus.). 



MiRANHA, gen. nov. 



Head (including eyes) a little narrower than base of meso- 

 notnm, the front moderately prominent, but only about half 

 the lengtii of vertex, lateral margins of vertex a little convex; 

 pronotum about as long as niesonotum, its lateral margins 

 arapliate and medially angulate ; abdomen about as long as 

 space between apex of head and base of cruciform elevation, 

 its lateral areas above moderately oblique, the tympanal 

 orifices inwardly covered but outwardly exposed ; abdomen 

 beneatii with the disk oblique on each side, but with the 

 lateral margins broadly subreflected ; rostrum passing the 

 posterior coxas ; opercula small, transverse ; tarsi tliree- 

 jointed ; tegmina and wings hyaline, the first with eight 

 apical areas, and the basal cell considerably longer than 

 broad. 



Type, M. imhellis, Walk. [Zammara) . 



Genus Zammara. 



Zammara, Amy. & Serv. Hist. Hem. p. 468 (1843). 

 Type, -^. tympanum^ Fabr. [Tettigonia] . 



Orellana, gen. nov. 



Head (including eyes) only, two thirds the width at base 

 of mesonotum, its length about equal to that of pronotum, 

 vertex nearly twice the length of front ; pronotum about 

 twice as broad as long, its lateral margins broadly ampliated 

 and medially angulate; mesonotum a little longer than pro- 

 notum and (including basal cruciform elevation) about as 

 long as pronotum and head together ; abdomen short, broad, 

 about as long or sometimes shorter than space between apex 

 of head and base of cruciform elevation ; tympanal coverings 

 outwardly complete and covering lateral areas, but the orifices 

 widely exposed internally j opercula in male small, trans- 

 verse, not passing base of abdomen ; face broader than the 

 space between it and eyes ; tegmina and wings hyaline, more 

 or less maculate ; tegmina with eight apical areas ; tarsi 

 two-jointed. 



Allied to Zammara. 



Type, (). columhinj I)i.-*t. (Zammara). 



