216 ORTHOPTERA. 



114 

 115 



116 

 117 



118 

 119 



120 

 121 

 122 



123 

 124 

 125 

 126 



127 



128 

 129 



pressed. Legs and body without green markings. 



Wings usually fully-developed Vilerna, Stal. 



113). Antennas linear, the basal joints not depressed. Legs 



and body marked with green. Tegmina and wings 



nearly or quite one-half the length of the abdomen . Leptomerinthophora, 

 107). Posterior femora distinctly surpassing the apex of the [Rehn. 



abdomen. Tegmina complete, widened apically and 



obliquely truncate at the apex. General form that 



of Abila Syletria, Rehn. 



106). Fastigiura of the vertex deflexed or subhorizontal, the 



apex slightly truncate. 

 118). Tegmina abbreviate, but not lobiform. Pronotum fur- 

 nished on the anterior lobe with two large, very high, 



acuminate lobes and armed on the lateral margins 



with four teeth Nicarchus, Stal. 



117). Tegmina lobiform or rudimentary, very small or 



missing. 

 120). Upper carina of the hind femora distinctly serrate. 



The apical joint of the palpi usually depressed and 



dilated Ommatolampis, Burmeister. 



119). Upper carina of the hind femora smooth. Apical joints 



of the palpi terete. 

 122). Hind femora moderately slender, the lower margin 



before the knees straight. Insects small, graceful . Sitalces, Stal. 

 121). Hind femora unusually robust, the lower margin broadly 



arcuate before the knees. Insects medium in size, 



robust CEdomerus, Bruner. 



(93). Fastigium of the vertex deflexed or horizontal, sensibly 



merging into the frontal costa. 

 125). Mesosternal lobes longer than wide, their inner edge 



straight Schistocerca, Stal. 



124). Mesosternal lobes transverse or of equal length and 



width, the internal margin rounded. 

 127). Posterior femora very graceful, the base but little in- 



crassate. Posterior lobe of the pronotum elevated 



into a very high crest, much longer than the anterior 



lobe Monachidium, Serville. 



126) . Posterior femora with the base more or less decidedly 



incrassate. Posterior lobe of the pronotum variable 



in form, but never elevated into a crest. 

 177). Posterior tibiae armed on the external border usually 



with more, but never with fewer, than eight spines. 

 162). Lateral margins of last ventral segment of the male 



abdomen, as viewed laterally, straight throughout or 



