OHTHACIUS. 185 



the deflexed lobes rounded, equally higli before and behind and 

 the lower margin more or less thickened. Legs short; four front 

 femora slender, rather compressed, the middle ones extending to 

 the extremity of the hind coxte ; hind tibite pubescent at the base, 

 Avith rather pointed spines towards the tip ; outer terminal spine 

 present or absent. Prosternum with a short pointed tubercle ; 

 sternal lamina long ; mesosternal lobes rounded within, sub- 

 contiguous, or separated by a very narrow space. Supra-anal 

 lamina lanceolate ; cerci curved at the tip in the male, straight 

 and very short in the female ; iiifra-genital lamina in the male 

 hooked and slightly produced at the tip. Valves of the ovipositor 

 sinuated. 



Keij to the Species. 



1 (8) Hind tibijTg with a short outer terminal 



spine ; vertex rather broad. 



2 (7) Abdominal tympanum present. 



3 (4) Body with red markings rnficurnis, Bob, p. 186. 



4 (3) Body with yellow marJdogs. 



o (6) Deflexed lobes of pronotum with 



small scattered yellow tubercles . . filifonnis, Bob, p. 185. 



6 (5) Deflexed lobes of pronotum with 



numerous large yellow tubercles . , maintlroni, Bob, p. 185. 



7 (2) Abdominal tympanum absent ele(jans, Bob, p. 186. 



8 (1) Hind tibi;^ with no outer apical spine. 



9 (10) Abdominal tympanum distinct .... simulans, Bob, p. 188. 

 10 (9) Abdominal tympanum indistinct .... acuticeps, Bob, p. 187. 



222. Orthacris filiformis, Bol. 



Orthucris filiformis, Bolivar, Ann. Soc. Espan. xiii, 1884, pp. 439, 

 496, pi. 'ii, fig. 11. 



Green, ])unctured, \\\t\\ a yellow baud, bordered above with 

 black, running from the eyes across the lower mai'gius of the 

 pronotum. Pronotum slightly emarginate behind, the deflexed 

 lobes with small scattered yellow^ tubercles. Legs with greyish 

 hairs ; hind femora in the male nearly as long as the abdomen ; 

 much shorter in the female. Supra-anal lamina of the male com- 

 pressed behind ; apical half of the cerci filiform, and curved 

 inwards. 



Length 18-24 mm. 



Ceylon. 



Type in the collection of Brunner von Wattenwyl. 



223. Orthacris niaindroni, Bol. 



Ortltacris maindroni, Bolivar, Bol. Soe. Espau. Hist. Nat. v, 1905, 

 p. 278. 



Straw-coloured, probably greenish in life. Body above coarsely 

 punctured, witli a broad yellow band set with yellow granules 



