118 ORTHOPTERA. 



scutellate posteriorly, the distal third of the 

 tegmina membranaceous. 

 i. Radiate veins of the anal field of the wings 



normal Trimerotropis, Stal. 



ii. Radiate veins of the anal field of the wings 



distinctly incrassate Circotettix, Scudd. 



ff. Pronotum delicately carinulate ; tegmina densely cori- 



aceo-reticulate, the distal fourth only membranaceous. Hadrotettix, Scudd. 

 ee. Pronotal carina obliterated between the sulci. The teg- 

 mina with at least the basal third coriaceous and closely 

 reticulate. 

 /. Body slender ; the tegmina either with or without an 

 intercalary vein. 

 g. The tegmina provided with a well-defined intercalary 

 vein. Body compressed or cylindrical; the hind 

 tibiae 10-spined in outer row. Pronotum gently 

 strangulate. 

 h. Wings generally without the dusky band character- 

 istic of this subfamily. Hind femora slender. 

 *\ Tegmina very long and narrow, more than twice 

 as long as the hind femora. Hind wings 

 roseate basally, and sometimes furnished with 

 a well-defined dusky band. Eyes prominent, 



nearly globular Trepidulus, McNeill. 



ii. Tegmina broader, less than twice as long as the 

 hind femora. Hind wings hyaline or pale blue- 

 tinted throughout. Eyes decidedly elliptical . Anconia, Scudd. 

 hh. Wings always furnished with a fuliginous band. 

 Hind femora moderately robust, shorter than 



the abdomen Sphingonotus, Fieb. 



gg. The tegmina without an intercalary vein. Body 

 depressed; the hind tibiae 8-spined in outer row. 



Pronotum greatly strangulate Ramona, gen. nov. 



ff. Body more robust ; the tegmina without the intercalary 

 vein. 

 h. Hind tibiae of the ordinary form. General colour 



grey or brown. [Habitat, arid regions.] . . . Heliastus, Sauss. , 

 hh. Hind tibiae expanded apically, the outer margins V 



acute. General colour green. [Habitat, swampy 



places in tropics.] Ccelopterna, Stal. 



AA. Outer margin of the hind tibiae provided with an apical spine 

 next the spurs. (Eremobiini.) 

 b. Body stout, but subcylindric, more compressed than depressed, 

 normal or subnormal; hind femora normally elongate, more 



