212 ca'xantopin.t;. 



carinae ; tegiiiiua subhyaline, with reddish nervures ; wings 

 hyaline. 



Lmcitli 70 mm. 



Cetlon. 



Type in the British Museum. 



Genus ISCHNACRIDA. 



Ischnacrida, Stal, Kecens. Orth. i, 1873, pp. 44, 87. 



Size rather large ; body long, cylindrical, with parallel sides, 

 abdomen usually extending beyond the wings. Fastigium of 

 the vertex usually not carinated, triaiigular, produced in front 

 of a strongly-marked transverse suture just before the eyes,, 

 which are large, oval, and prominent; face very oblique, frontal 

 ridge narrow, the bounding carinje hardly diverging, the lateral 

 carinas nearl}" straight : autennte distinctly ensiform. Pronotum 

 rounded behind, the sulci only slightly indicated, the hind sulcus 

 placed behind the middle, the lower border of the detlexed lobes 

 nearly straight, the liind border slightly oblique. The pi-osternal 

 tubercle small, conical, compressed behind. Tegmina long and 

 narrow ; wings rather shorter and somewhat narrow. I'ront and 

 middle legs short, hind wings rather slender. Male with the 

 subgenital lamina long and pointed ; female with the appendages 

 compressed. 



Key to tha Species. 



1 (4) Wings unspotted. 



2 (8) Winys stained Avitli pinlv towards the base, converyens. Walk. 



3 (2) ^^'ings not stnined -with pink towards the 



base /arsalis, Walk. 



4 (1) AVings spotted Avitli brown fttsca, Karny. 



2.53. Ischnacrida fusca. 



Isckuiicrida fusca, Karny, Sitz. Akad. AViss. Wien, jNIath.-uat. CI. 

 cxvi (1), i907, p. 301. 



IJrown ; antenna) broadly ensiform ; fastigium of the vertex 

 hardly longer than broad ; a lateral silvery band ; tegmina with 

 tine scattered bl'own dots ; hind femora concolorous on the inner 

 side: subgenital lamina of the male hardly longer than the 

 pronotum, not sulcated. 



Length, body (without appendages), 44 mm. 



Ceylon. 



254. Ischnacrida convergens, Wall-. 



Opomala converyens, Walker, Cat, Derm. Salt. B.M. iii, Ls70, 

 p. 511. 



