456 
Journal of the Asiatic Society of Bengal. (NS... XLX, 
nearly meeting. Inferior appendages much shorter, 
cylindrical, tapering, apices blunt. 
Wings broad and spacious. deep blackish brown 
except the outer fifth of the forewing and a much smaller 
area in the hind which is paler and only palely enfumed. 
In the second male the outer fourth of forewing and 
outer fifth of the hind exhibit this hvaline area. the clear 
area in the forewing being much better defined than 
in the hind. Pterostigma absent in all wings. reticula- 
tion very close, 55 antenodai nervures and 116  post- 
nodals in one forewing; basal space reticulated, this 

Fig. 4. 
Wings of Matrona oberthuri MacLach. 
forming a network near the arc: trigones with 17-20 
transverse nervures ; basal-radial space open. 
All transverse nervures proximal to the node are pale 
bluish white, this being more pronounced than in 
M. basilaris. 
is species is closely allied to M. basilaris and 
M. nigripectus. It may be distinguished from both by 
the hyaline apices of the wings. although I have recently 
seen some specimens of the latter species from the Chin 
Hills in which there was also a distinct indication of 

