Lepidoptera of the Amazons. 155 



271. Achlyodes exosa, n. sp. 



$. Pi-imaries brown, with the base, two central inter- 

 rupted elbowed oblique bands from costa to inner margin, 

 and an ill-defined submarginal streak, black ; secondaries 

 black, with traces of two or three diffused brown bands on 

 costal area; body black; Avings below chocolate-brown; 

 secondaries crossed by two curved central darker bands: 

 expanse of wings 1 inch 2 lines. 



$ ? Wings above chocolate-brown, a curved greyish 

 streak intersected by a line of the ground colour beyond 

 the cell of primaries: wings below chocolate-brown; 

 secondaries crossed by several darker lines: expanse of 

 wings 1 inch 1 line. 



$ . Forest at St. Vicenzio, Kio Purus, 22nd September; 

 Uttary, Rio Purus, 25th September, 1874. 



The female was taken at light I 



Allied to A. tetrastigma. 



272. Achlyodes nyctineme (Boisd. in litt.). 



$. Wings above dark olive-brown, fringe grey; pri- 

 maries with three Avhite dots beyond the cell; a sub-basal 

 transverse band, two bands united upon the inner margin, 

 thence diverging, and elbowed near the costa, the outer 

 one limited by the white dots, and a submarginal macular 

 streak, black-brown ; secondaries with a spot in the cell, 

 two irregularly arched transverse central bands, and a 

 submarginal macular streak, black-brown; wings below 

 nearly as above, but the markings less strongly defined: 

 expanse of wings 1 inch 4 lines. 



? . Redder and smaller than the male, the bands and 

 spots broader : expanse of Avings 1 inch 2 lines. 



$. Rio Trombetas, 30th January, 1874. $ . Para, 2nd 

 March, 1875. 



Allied to Helias pyralina, Moeschler. 



Antigonus, Hubner. 



273. Antigonus erosus. 



Urbanus vetus erosus, Hubner, Samml. Exot. 

 Schmett. (1806—16). 

 $. Obydos, 23rd January, 1874. 



Tagiades, Hubner. 



21 A. Tagiades astrigera, n. sp. 



Wings above deep l^roAvn, primaries Avith a dot below 

 the origin of the first median branch ; three in an oblique 



u 2 



