618 FAMILY VII. TETTIGOXIID.E. THE CAMEL CRICKETS. 



b. Subgenital plate of male entire, scoop-shaped (PI. VI, a); hind 

 femora of male armed on each lower carina with 25 or more 

 small, nearly equal teeth; ovipositor with four, rarely five, slen- 

 der, nearly equally spaced teeth on each valve, the terminal 

 hook sometimes bifid (PI. VII, i.) 291. NIGRICAXS. 



&&. Subgenital plate of male either narrowly and deeply cleft or with 

 a wide, V-shaped emargination between its lobes (PI. VI, &, f); 

 hind femora of male, except in terrestris, not armed as in nig- 

 ricans. 



c. Hind margin of ninth dorsal of male broadly and deeply emar- 

 ginate (PI. VII, d) ; hind tibiae of adult male distinctly bowed 

 or curved on basal third; teeth of ovipositor triangular, of 

 equal size, widely and unevenly spaced (PI. VII, /. ) 



292. MACULATUS. 



% 



cc. Hind margin of ninth segment usually entire, rarely with a 

 small median notch or shallow concavity; hind tibia? not dis- 

 tinctly bowed except occasionally in adult males of gracilipes. 

 d. Male with a pair of prominent scoop-shaped or broadly spatu- 

 late, infracercal or podigal plates between the bases of the 

 cerci (PI. VI, j)\ subgenital plate thin, membranous, deeply 

 cleft, the inner edges of its lobes feebly overlapping, their 

 tips broadly and obliquely rounded and incurved 

 (PI. VI, c.) 



e. Hind femora stout, distinctly shorter than body, their lower 

 outer carina with about 15 very short unequal teeth ; gen- 

 eral color pale brown mottled with paler yellow but not 

 with fuscous. 293. BKEVIPES. 



ee. Hind femora more slender, almost as long or longer than 

 body, their outer carina armed with 7 to 10 stouter un- 

 equal, very unevenly spaced teeth; general color reddish- 

 brown mottled with fuscous. 



f. Ovipositor slender throughout but feebly tapering, the 

 tips of outer valves bluntly obliquely rounded; teeth of 

 inner ones slender, unevenly spaced, unequal in size, 

 often apparently very obtuse (PI. VII, I.} 



294. TENEBRARUM. 



ff. Ovipositor much swollen at base, strongly tapering, tips 

 of outer valves acute, upcurved; teeth of inner ones 

 triangular, acute, subequal in size and' evenly spaced 

 (PI. VII, m.) 295. DAVISI. 



dd. Male with infracercal or podigal plates very short or invisible; 

 lobes of subgenital plate with tips not thin, nor broadly 

 rounded and incurved. 



g. Each inner valve of ovipositor armed with but three teeth 

 and a terminal hook (PL VII, n) ; supra-anal plate of 

 male tongue-shaped, its apex subtruncate and with a 

 slight median notch (PL VI, n) ; terminal claws of hind 

 tarsi less than half the length of their supporting seg- 

 ment. 296. REHEBI. 

 gg. Each inner valve of ovipositor armed with four teeth and 

 a terminal hook. 



