ACRIDID^. 



607 



H — h 



oo 



-¥ 



++ 



ten 



H — i- 



++ 



++++ 



--H — >• 



XX 



00 



ooo 



17. QuiLTA. 



18. Chromacris. 

 - 19. Agriacris. 



22. 



20. OXYA. 



Syntomacris. 

 23, Stenacris. 



tt 



+ 

 + 



§ 



§§ 

 +f 

 +^ 



§ 

 X 



00 



XX 



b. 



Tip of vertex quadiilateral. - - - 14. Apalacris 



Tip of vertex not quadrilateral. - - - 15. Abracris 



Proslernal spine thick, slightly oblique and compressed. 



16. EUPREPACRIS 



Hind tibiae dilated in the middle. 



Fore border of the prothorax notched. 



Prothorax cylindrical. 



Fore border of the prothorax notched. 



Fore border of the prothorax not notched. 



Proslernal spine conical. 



Eyes remote. . - - - - 



Eyes approximate. . - . - 



Eyes rather prominent. 



Eyes not prominent. . _ - - 



Piosternal spine transverse, slightly forked. 



Head lon^. - - _ . - 



Head short. - . - - - 



Piosternal spine acute, rather short, slightly compressed. 



Wings short or rudimentary. 



Prosternal spine not transverse. 



Prothorax cylindrical in the fore part, dilated hindward. 



26. Profoedetes 

 Prothorax dilated hindward. 

 Prosternal spine transverse, very broad. - 

 Prosternal spine very slender. - - - 

 Prothorax compressed. 

 Prothorax generally with three keels. 

 Hind femora long. 



Head not keeled. - - . - - 



Head keeled. - _ - - - 



Hind femora short, thick. 

 Vertex excavated. 

 Prothorax with a distinct keel. 

 Prosternal spine conical. 



Disk of the prothorax with a keel on each side. 33. Caloptenus 

 Disk of the prothorax rounded on each side. 34. Ommatolampis 

 Prosternal spine bituberculate. - - 35. Platacanthus 

 Keel of the prothorax more or less indeterminate. 



36, Platvphyma, 

 Vertex not excavated. - - - - 

 Eyes globose, very prominent. 

 Body cylindrical. - - - - - 

 Body not cylindrical. 

 Wings complete. . - - - 



No wings. - - - - - 



24. Glaphyracris. 

 25. Chariacris. 



27. Pedies. 



28. TiNARlA. 



29. OxYPHYMA. 



30. CUCULLIGERA. 



31. Heteracris. 

 32. Leptacris. 



37. PODISMA. 



21. Opiptacris. 



38. Ommexecha. 

 39. Batrachopus. 



Genus TRYBLIOPHORUS, C. D. S. 546. 

 This genus is much more nearly allied to Oxya than to Teratodes, 

 which it precedes in Serville's arrangeaient. 



