ACRIDIDJS. 787 



7. OXYCORYPHUS ZAPOTECUS. 



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

 Mexico. 



8. OXYOORYPHUS MONTEZUMA. 



Moutezuma, Sauss. Rev. Zool. xiii. 316. 

 Mexico. 



9. OXYCORYPHUS TIBIALIS. 



Mas et fosm. Ferrugineus; vertex et prothoracis discus anticus fulvi ; 

 fastigium lanceolatum; frons subluberculata, carinis quatuor bene 

 del ermina tis ; antenna fulva, plance, setacea, capite et prolhoro.ee ad 

 unum multo longiores; prothorax tuberculatus, carina dorsali Integra, 

 margine poslico truncato-angulato ; femora postica intus nigra^Jlavo 

 bifasciata ; tibia postica cyanea, basi nignc albo unifasciata ; alee 

 postica nigricantes. 



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

 and of the fore part of the prothorax tawny. 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. 

 Antennas tawny, 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, with two pale yellow bands; first baud postmedial ; second sub- 

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

 spines white, with black tips. Fore wings ferruginous; costa rounded 

 near the base. Hind 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. OXYCORYPHUS VENUSTUS. 

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

 Cairo. 



Genus 18. HYALOPTERYX. 

 Hyalopleryx, Charp. Orth. 



1. HYALOPTERYX RUFIPENNIS. 

 rufipennis, Charp. Orth. pi. 46. 

 Brazil. 



