104 PROCEEDINGS OF THE ACADEMY OF [March, 



with a very broad and shallow median emargination, caudal margin 

 obtuse-angulate; median carina very faintly indicated on the meta- 

 zona and the cephalic half of the prozona, absent elsewhere; trans- 

 verse sulci distinct, the caudal very deep on the median portion 

 of the dorsum ; disk almost flat, lateral angles rounded but apparent ; 

 lateral lobes slightly longer than deep, the ventro-cephalic angle 

 broadly excised by a deep emargination. Tegmina distinctly ex- 

 ceeding the apex of the abdomen and slightly exceeding the tips 

 of the caudal femora, tapering, distal third narrow with the apex 

 narrowly rounded; costal margin with a distinct but shallow lobe; 



Fig. 17. — Oulenotacris robusta n. sp. Lateral view of type. (X 3.) 



intercalary vein distinct, at least distad. Prosternal spine very short 

 and low, subconoid; interspace between the mesosternal lobes 

 transverse; interspace between the metasternal lobes subquadrate, 

 the cephalic width (i.e., that between the foveolae) greater than 

 the caudal. Abdomen with the ovipositor jaws distinctly com- 

 pressed and short. Cephalic and median limbs of medium size. 

 Caudal femora robust, the greatest width contained about three 

 and a half times in the length; medio-dorsal carina moderately 

 serrate, pagina with the pattern distinct and regular, genicular 

 lobes with the ventral margin emarginate distad; caudal tibiae 

 distinctly shorter than the femora, armed on the external margin 

 with six spines, internal margin with eight to nine spines, no apical 

 spine present on the external margin; caudal tarsi about half the 

 length of the tibise, third joint shghtly longer than the first, second 

 about half the length of the first, arolia of medium size. 



General color bistre, more olivaceous on the dorsum and the 

 greater area of the later portion of the metazona. Occiput, face 

 and mouth parts with quite a little dull yellowish mingled with the 

 general color; gense soiled yellowish, this being continued on the 



