OKTHACANTHACRIS. 229 



brown, subopaqiie ; wings brownish hyaline, \\ith tlie base red. 

 Legs brown, hind femora banded \\ith Ughter and darl\:er brown, 

 and whitish on the sides ; hind tibia) with 8-11 whitish black- 

 tipped spines. 



Lenrjtli 50-64 mm. ; expanse of tegmina, 94-120 mm. 



North Bengal ; China. 



Tijpe in the British Museum. 



276. Orthacanthacris violascens, Wall-. 



AcridiiLin violascens, Walker, Cat. Derm. Salt. B.M. iii, 1870, 



p. 587. 



Light brown, with a yello\\' stripe running from the fastigium 

 of the vertex over the pronotum and the suture of the closed 

 tegmina ; in some specimens this is red. Antennae yellow, or 

 red, and there are also red lines (sometimes obsolete) below the 

 antennae, in the suture of the frontal ridge, and along the hind 

 borders of the head and pronotum. Fastigium of the vertex slightly 

 expanded, and bordered with black lines running to the back of 

 the head ; frontal ridge moderately broad, punctured above, and 

 sulcated. and slightly expanded below the ocellus. Pronotum 

 coarsely punctured, sometimes distinctly dai'ker on the sides of 

 the yellow stripe above, and sometimes with one or two indistinct 

 yellow spots on the side. Tegmina brown, with the inner margin 

 yellow ; wings smoky hyaline, tinged towards the base with pale 

 violet. Legs brown, with red tarsi ; hind femora with the outer 

 and inner lobes whitish, M'ith oblique brown lines ; all the carinse 

 spotted with black, knees marked with black, with the lobes large 

 and white, or yello\\- ; hind tibiae with 8-10 large yellow black- 

 tipped spines. 



Length 40-56 mm ; expanse of tegmina, 70 110 mm. 



Ceylon. 



Tyjye in the British Museum, 



277. Orthacanthacris japonica, Bol. 



Acridium /tiponicuin, Bolivar, Ann. Mas. Geneva, xxxix, 1898, 

 p. 98. 



Light reddish brown ; antenna) pale yellow, darker at the tips ; 

 a pale yellow stripe running from the fastigium of the vertex 

 over the pronotum and the sutui*e of the closed tegmina. Frontal 

 ridge rather constricted in the middle, slightly sulcated, and 

 punctured above and below; a broad blue-black stripe below each 

 eye. Pi-onotum punctured, the sides bifasciated and bordered 

 below with pale yellow, separated by blackish spaces. Hind 

 knees darker, hind femora with 8-11 pale black-tipped spines. 

 Tegmina subhyaline, brown towards the base, and spotted with 

 brown longitudinally along the middle ; wings brownish hyaline, 

 tinged with red at the base. In many specimims, especially 



