158 jassidjE. 



Synojisis of Subfamilies. 



A. Veins at base of tegmina distinctly visible, 



on coriura more or less branched and 

 connected by transverse veins : ocelli 

 rarely absent. 



a. Posterior tibise four-cornered, armed with 



numerous spines, the outer edge usually 

 more or less expanded and foliaceous ; 

 ocelli of variable position, but in all the 

 genera at present known from British 

 India, placed on disk of vertex Ledrivcp. 



b. Posterior tibiae more or less cylindrical 



and slender, and densely spinulose. 

 a. Ocelli on the face, below the anterior 



margin of tlie head Bythoscopince. 



h. Ocelli placed on disk of vertex. 



a. Face large, prominent, strongly con- 

 vex, cheeks long and narrow, 

 anterior edge of the head obtuse 



or rounded Tettigoniellince. 



V . Face flat, or slightly convex, more 

 or less impressed aci'oss the base, 

 beneath the prominent and 

 acute, or rounded and overhang- 

 ing anterior edge of the bead ; 

 cheeks at least moderately ex- 

 panded Gyponime. 



c. Ocelli placed superiorly close to the 



anterior edge of the head Acoceplialina;. 



d. Ocelli on the anterior edge of the head 



or vvanting Jassince. 



B. Veins at base of tegmina indistinct, not 



forked on corium ; transverse veins absent 

 till before tip, from which spring terminal 

 veins ; ocelli rarely distinct Typldocyhince. 



Subfam. I. LEDRIN^. 



Ledriua, Stdl, Of v. Vet.-Ak. Forh. 1870, p. 731. 

 Scarida, Fid>. liev. May. Zool. (3) iii, p. 386 (1875). 

 Ledridaj, Van JJuzee, Trans. Am. Ent. Soc. xix, p. 296(1892). 

 Stenocotinse, KirJc. Rej). Exp. Stat. Haiv. Plant. Assoc, pt. ix, 

 p. 368 (1906). 



Head broad, moderately foliaceous ; face concave or some\\ hat 

 convex, horizontal or strongly reclined, lateral margins towards 

 middle or a little before middle distinctly or profoundly sinuate, 

 not or only slightly dilated ; vertex nari'ow, depressed or 



