ORTHOPTEKA OF INDIANA. 301 



ee. Hind margin of pronotum with a minute but 

 distinct notch in the middle. Cerci of male 

 rounded at tip. B"'urcula not cylindrical or 

 tapering. 

 f. Tegmina narrowlj' oblong. All the femora 



green. Furcula minute, rounded 



63 gracilis, p. 308 



ff. Tegmina broadly ovate. All the femora 



brown. Furcula well developed, very 



broad at base, more or less angled or 



bifid at middle G4 vwrsei, p. 309 



dd. Tegmina lanceolate, longer than pronotum, their 

 inner edges overlapping. 



g. Subgenital plate of male distinctly 



narrower than long, its extremity 



strongly elevated. Middle of male 



I cerci but little narrower than base. 



Tegmina covering two-thirds or 



more of abdomen 



65 fasciatus, p. 311 

 gy. Sub-genital plate of male short and 

 broad, its extremity but little ele- 

 vated. Middle of male cerci dis- 

 tinctly narrower than the base. 

 Tegmina covering but one-half the 



abdomen 66 Natchleiji, p. 313 



(la. Tegmina (except in the female of extrcmns) as long as or longer tlian 



the abdomen. Furcula usually either well developed or obsolete. 



h. Cerci of male either equal or tapering beyond the middle, the 



tip usually slender or acuminate, never forked. 



i. Apex of sub-genital plate of male with a median notch. 



Cerci short and nearly equally broad throughout, their 



length not more than twice as much as the middle 



breadth 67 atlanis, p. 314 



a. Apex of sub-genital plate of male entire. Cerci at least 

 three times as long as the middle breadth, generally 

 slender, the apical half sometimes much narrower than 

 the basal. 



j. Sub-genital plate of the male nearly as broad at apex 

 as at base; the apex elevated above the lateral mar- 

 gins, and terminating in a tubercle. Cerci of male 



narrowing but little in apical half 



68 impudicus, p. 316 

 jj. Sub-genital plate of male distinctly narrower at apex 

 than at base, the apex not elevated above the lateral 

 margins. Apical half of cerci distinctly narrower 

 than the basal half. 

 A'. Tegmina much surpassing the hind femora; 

 hind tibife bright red. Apical half of male 

 cerci much less than half as broad as the ex- 

 treme base 69 fcmur-ruhriim, p. 317 



