ME. A. a. BUTLER ON THE SPHIKGIDiE. 549 



Possibly referable to Panacra, but certainly not to the New- World genus Perigonia ; 

 I have not seen the type. 



10. Pergesa castanea. 



Pergesa castanea, Moore, P. Z. S. 1872, p. 567. 



Bombay. Type, co ^- T. Moore. 



This is a curious dark little species, with a broad plumbaginous or silky greyish 

 border to primaries. 



11. Pergesa vampyrus. 



Sphinx vampyrus, Fabricius, Maut. Ins. ii. p. 98. no. 66 (1787). 



East Indies 1 



Evidently a Pergesa with reddish secondaries. 



12. Pergesa ^egrota. (Plate XCII. fig. 2.) 

 Pergesa cegrota, Butler, P. Z. S. 1875, p. 246. 



Silhet. Type, coll. F. Moore. 



13. Pergesa auripera. 



Pergesa aurifera, Butler, P. Z. S. 1875, p. 7. no. 11. 



Sikkirn (Wliitely); North India. Type, B.M. 



Mr. Moore has two examples of the brownish variation of this species, labelled " North- 

 east Himalayas," and a third, labelled " Darjeeling." 



14. Pergesa pusimacula. 



Pergesa fusimacula, Felder, Reise der Nov., Lep. iv. tab. 76. fig. 4 (1874). 



Allied to the preceding, and to P. castor. 



15. Pergesa gloriosa. (Plate XCII. fig. 3.) 

 Pergesa gloriosa, Butler, P. Z. S. 1875, p. 246. 



Darjeeling. Type, coll. F. Moore. 



Genus 6. Panacra, Walker. 

 Panacra, Walker, Lep. Het. viii. p. 154. gen. 17 (1856). 



1. Panacra busiris. 

 Panacra busiris, Walker, Lep. Het. viii. p. 158. no. 6 (1856) . 



Silhet (Stainsforth, Doubleday). Type, B.M. 



