ACRIDID^. 787 



7, OxVCORYPHUS ZAPOTECUS. 



zapotecus, Sauss. Rev. Zool. xiii. 316. 

 Mexico. 



8. OxYOORYPHus Montezuma. 

 Moutezuma, Sauns. Rev, Zool. xiii. 316. 

 Mexico. 



9. OxYCORYPHUS TIBIALIS. 



Mas et foem. Ferrugineus ; vertex et frolhoracis discus aniicus fulvi ; 

 fasligium lanceolatum ; frons subtubercutata, carinis quatuor bene 

 delerminatis ; anteiiuce fulvcc, plana, setacecp, capite et prolhorace ad 

 UHum mull.0 longiores; prothorax tuberculalun, carina dorsali integra, 

 margine postico truncalo-angulato ; femora poslica intus nigra, fiavo 

 bifasciala ; tibice posiicce cyanece, basi nigrcB albo unifasciata ; alee 

 posticce nigricanles. 



Male and female. Ferruginous, tawny beneath. Disk of the vertex 

 and of the fore part of the prothorax lawny. Tip of the vertex lanceolate, 

 depressed ; lateral furrows lanceolate ; front erect, slightly tuberculate, with 

 four well-defined keels; inner keels parallel towards the vertex, slightly 

 diverging towards the face; outer keels very slightly curved inward. 

 Antennae lawny, flat, setaceous, much longer than the head and the pro- 

 thorax together. Prothorax tuberculate, with a slight middle keel ; lateral 

 keels slightly apparent towards the hind border, which is slightly elongated 

 and forms a slightly truncated angle. Hind femora on the inner side 

 black, wilh two i)ale yellow bands ; first band postmedial ; second sub- 

 apical. Hind tibiae blue, with a white band near the base, which is black; 

 spines white, wilh black tips. Fore wings ferruginous; custa rounded 

 near the base. Hiud wings blackish. Length of the body 8 — 12 lines; 

 expansion of the fore wings 19 — 24 lines, 

 a, b, Oajaca, Mexico. From M. Salle's collection. 



Africa. 



10. OXYCOKYPHUS VENUSTUS. 



venustus, Walk. Zool. 2302, Sept. 1870. 

 Cairo. 



Genus 18. HYALOPTERYX. 

 Hyalopieryx, Charp. Orth. 



1. HyaLOPTEHYX IIUFII'ENNIS. 



rufipenuis, Charp. Ortli. pi. 46. 

 Brazil. 



