176 Mr. A. G. Butler on the Subfamily Pericopiinge. 



3. Hyahirga Una, Butler, Ann. & Mag. Nat. Hist. p. 286 

 (Oct. 1871). 



Hob. Peruvian Amazons. Coll. Hope, Oxford. 



We have an example of what may be this species from 

 Ega ; hut unfortunately I only have a slight sketch of the 

 type with which to compare it ; it agrees very fairly with the 

 description. 



4. Hyalurga fenestrata, Walker, Cat. Lep. Het. iv. 

 p. 915, <? (1855). 

 Hob. Rio Janeiro. B.M. 

 The example mentioned from Para is distinct. 



5. Hyalurga pura, n. sp. 



Male. Allied to the preceding, but considerably smaller, 

 much whiter, with a comparatively rather broader paler yellow 

 costal border to primaries, the bases of the median and sub- 

 median veins not blackened, no indication of an internal 

 yellowish marginal line or of a transverse dusky line. 



Expanse of wings 46 millimetres. 



Hab. Para. Type, B.M. 



6. Hyalurga clara, Butler, Cist. Ent. vi. p. 128 (1873) ; 

 Lep. Exot. pi. 61. fig. 13. 



Hab. Espirito Santo. Coll. Hope, Oxford, and B.M. 



7. Hyalurga albovitrea, Walker, Cat. Lep. Het., Suppl. i. 



p. 159 (1864). 

 Hyalurga irregularis, Felder, Reise der Nov., Lep. iv. pi. 103. fig. 16 

 (1874). 



Hab. Ega. B.M. 



Genus Coborisa, Walker. 



1. Coborisa fenestrata, Walker, Cat. Lep. Het. iv. p. 915. 



n. 1 (1856). 

 Hab. Mexico? B.M. 



2. Coborisa vestalis, Butler, Ann. & Mag. Nat. Hist. p. 289 



(Oct. 1871). 



Hab. Brazil. Coll. Hope, Oxford. 



I have very little doubt that this is congeneric with the 

 preceding species ; but Walker's genus having been placed 



