238 [October, 



0-. Head in profile with vertex ascending. 



p^. In profile vertex ascending and curved backward. 



Nesoniphas. 



p-. In profile vertex ascending, but not curved back- 

 ward Nesoxkura. 



71-. Shoulder keels well developed. 



y\ Subantennal process spatulate, attached to the gena by 

 a slender stalk. 

 7'\ Face considerably produced in front of eyes ; an- 

 tennae in some species small with large " sense 

 organs," in others with the second joint produced 

 and bearing large " scales " and appearing as if 

 irregularly pectinate, ofttimes differing in the 



sexes Kaha. 



r^. Face not considerably produced in front of eves ; 

 antennae larger with smaller '' sense organs," 



never with '' scales " Nesokaha. 



q^. Subantennal process not spatulate, attached to the 

 gena by a broad base. 

 s^. Vertex truncate at apex: lateral carinae of face not 



contiguous Lyeicen. 



5^ Vertex acutely angular, carinae meeting at apex 

 and continued on to face, face linear, carinae 



contiguous Paralyeicen. 



<P. Forking of subcosta and radius beyond the middle of the tegmen 

 (subcostal cell short). 

 t^. In profile vertex and face meeting at an angle. 

 m\ Costal margin entire. 



1. In profile vertex and face meeting at an angle of 



about 45° NiCERToiDES. 



2. In profile vertex and face meeting at an angle of 45° 



to 80° ; face not strongly curved. 



Kamendaka. 



3. In profile vertex and face meeting at an angle of about 



90^5 face strongly curved, especially on apical half. 



EOSACCHARISSA. 



u^. Costal margin not entire, more or less sinnous and broken 

 by an angular projection ; a distinct precostal area in 



basal third of tegmen Banksiklla. 



t^. In profile vertex and face forming a curve, not angular. 



Makula. 



C-. First joint of antennae long, length more than twice the width. 

 ?;\ No subantennal process. 



M7\ In profile head round, not greatly produced in front of eyes. 



Dexdrokara. 



tc^. In profile vertex and head meeting at an angle or narrowly 

 rounded, considerably produced in front of eyes. 



Otiocerus. 



v^. Subantennal process present Neodexdrozaba. 



