MR. A. G. BUTLER ON THE SPHINGHLE. 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. 



Bom bay. Type, coll. F. 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! 

 Evidently a Pergesa with reddish secondaries. 



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

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



Silhet. '-type, coll. F. Moore. 



13. Pergesa aurifera. 



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



Sikkim (Whitely); 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 fusimacula. 



Pergesa fusimacula, Felder, Reise dcr Nov., Lep. iv. tab. 76. fig. 1 (1871). 



\ 



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, co11 - P- 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. 



