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Records of the Indian Musenm. [Vol. XXII. 



though I think it much more unlikel}' that there should be sixteen. 

 Apart from this, the general build of this larva, the form of its 

 labial mask, and the structure of the anal appendages, might very 

 well be those belonging to this sub-family. It is, therefore, to the 

 wing-venation that we must finally turn for a decision. That is 

 absolutely conclusive. After a careful study of the two slides of the 

 right wings prepared by Mr. Laidlaw, and a more detailed study of 

 the left hind wing dissected off by my.self, I have no hesitation in 

 saying that this larva belongs to the family Epiophlebiidae and 

 that there is no character visible in the venation which would 

 require its allocation to any other genus than to Epiophlebia itself. 

 In text- fig. 5, I show the venation of the imago of EpiopJt/ebia 

 superstes (Selys) from Japan, in order to institute a close compar- 



Text-fig. 5. 

 X'enation ol Epiophlebia supei-stes (Sel)s) fron 

 Needham. 



Japan, (H\v. 31 mm.) After 



ison with that of the larva here dealt with. It will be seen at 

 once that, if we allow for the fact that the wing is not yet expanded, 

 the comparison is overwhelmingly in favour of the conclusion that 

 the larva belongs to the genus Epiophlebia. 



The characters in which Epiophlebia differs from all other 

 known non- Anisopterous genera are the following : — Presence of the 

 two thickened or " hypertrophied " antenodals; difference in the 

 shape of the fore and hindwing quadrilaterals, the latter being much 

 wider than the former, and both being acutely angled distally ; 

 form of the discoidal field, which is strikingly broader than the 

 spaces above and below it, but at the same time possesses, for 

 most of its length, only a single row of cells. 



Each of these three important characters appears to be pre- 

 sent in the larval wings exactly as in Epiophlebia. 



This evidence should be sufficient to place the larva within 

 the family Epiophlebiidae. But we may reinforce it by enumerat- 

 ing the other venational characters, which, though not peculiar to 

 Epiophlebia, are to be found in that genus, and which, taken 

 together with the three characters mentioned above, practicaUy 

 define the genus as far as its wing-venation is concerned. These 



