430 JOURNAL, BOMBAY NATURAL HISTORY SOCIETY, Vol. IX. 



" Isoteinon " flavalum, de Niceville, probably belongs to this section, 

 but no specimens are available for examination. 



Section II. 



'• Palpi various, but never as in Section III. Lower radial nervure 

 of forewing deflected downwards at origin and consequently arising 

 much nearer to the third median branch than to the upper radial, the 

 middle disco-cellular being therefore very much longer than the lower 

 one. 



Key to the Asiatic Genera. 



A. Antennae, tip acuminate. 



a. Antennae exceptionally long ; terminal crook short, hardly 



longer than breadth of club. 

 a\ Forewing, outer margin equal to, or shorter than, inner 

 margin. 

 a 2 . Second median branch of hindwing from well before 

 end of cell. 



KekanAj Distant. 



b 2 . Second median branch of hindwing from immediately 

 before end of cell. 

 a 3 . First median branch of hindwing almost equidistant 

 from end of cell and base of wing. 



Anctstroides, Butler. 



b z . First median branch of hindwing more than twice 

 as far from base of wing as from end of cell. 

 Pirdana, Distant. 



b 1 . Forewing, outer margin considerably longer than inner 

 margin. 



Plastingia, Butler. 



b. Antennae of moderate length ; terminal crook long, about 



twice as long as breadth of club. 

 a 1 . Male with no tuft of hair on fore coxae. 

 a 2 . Second median branch of forewing in male three 

 times as far from first as from third. 

 a 3 . Male with no secondary sexual characters. 

 Lotongus, Distant. 



