of Diurnal Lej^idoptera. 513 



band, black ; body black. Wings below, brown, tlio bands 

 of the upper surface indistinctly represented by bands 

 deeper than the ground-colour ; body brown, palpi och- 

 raceous brown. 



Expanse of wings, 1 inch, 6 lines. 



Hab. — Para; Coll. Druce. Tapajos ; B. M. 



Intermediate between P. festivus, Erichson, and P. 

 loxiis, Hewitson. 



2. Pithonides Jahesa, n. sp. 



Wings above, brown ; front- wings with darker sub- 

 quadrate central patch and apical margin, an angulate 

 discal streak of gray scales, and a spot of same colour on 

 costa at origin of first sub-costal branch ; hind-wings 

 with a nebulous central geminate band of dark brown, 

 outer margin densely irrorated with gray scales ; body 

 brown. Front- wings below, paler, especially towards inner 

 margin, a diffused spot in the cell and a second towards 

 apex, indistinctly continued as a band to anal angle of 

 gray scales ; hind-wings pale blue, whitish at anal 

 angle, the costal area dusted with brown scales, the 

 costa and apex, an oblique spot below centre of costal 

 nervure, and a second between sub-costal branches^ 

 brown ; body white, abdomen pale brown. 



Expanse of wings, 1 inch, 6 lines. 



Hab. — Venezuela. Coll. Druce. 



Allied to P. Orcus of Fabricius. 



Genus Thanaos, Boisduval. 

 Thanaos Ibhara, n. sp. 



Wings above, brown ; front- wings exhibiting three dis- 

 cal spots in the form of a triangle (its base towards 

 the apex) and five subapical points ; body brown. 

 Front-wings below, paler, the marginal areas irrorated 

 with ochreous scales, spots as above, but pale yellow, the 

 lower one of triangle attached to a large oblong spot 

 below the first median branch ; hind- wings brown, irro- 

 rated with pale ochreous scales, a central and two discal 

 indistinct curved brown lines ; head and thorax greenish, 

 abdomen brown. 



Expanse of wings, 1 inch, 3 lines. 



Hab. — ^Venezuela. Coll. Druce, and B. M. 



Unlike any species hitherto described. 



