Lepidoptera of the Amazonia. 57 



Lacera, Guence. 



99. Lacera amazonica, n. sp. 



Fuliginous-brown, varied with red-brown and shot with 

 lilacine ; primaries darker than the secondaries, greyish 

 in general tint ; crossed by irregular black lines; the costal 

 border, almost to the apex, sordid Avhitish, interrupted by 

 the black lines, and one or two dark-brown dashes ; basal 

 area speckled with whitish ; an irregular whitish belt, 

 bounded by sinuated black lines from the cell to the 

 inner margin ; reniform greyish, enclosing a small black- 

 edged whitish spot, and margined with whitish ; a hroad 

 black-bordered oblique lilacine belt from the reniform spot 

 to the external angle ; secondaries reddish towards external 

 border ; costal area bronzy ; an internally white-edged 

 black spot, in some lights brilliantly shot with ultramarine 

 blue, at apex ; a dusky spot at the end of the cell; base of 

 the cell and the disc crossed by alternately black and 

 reddish-brown zigzag lines ; tuw widely-separated alter- 

 nately black and buff' longitudinal dashes between the first 

 median and the abdominal margifi ; a black oblique discal 

 streak from the anal angle ; a macular submarginal black 

 line ; thorax red-brown ; abdomen blackish, with testa- 

 ceous edges to the segments ; imdersurface sordid strami- 

 neous, densely speckled with black, disc and outer margin 

 clouded with chocolate-brown, and crossed by two or 

 three undulated black lines; primaries with a pearly- 

 white subapical spot ; secondaries with two zigzag blackish 

 lines forming the edges of an ill-defined dusky belt, which 

 crosses the cell ; a submarginal cinereous belt bounded 

 internally by an undulated blackish line ; apical spot as 

 above : expanse of wings 1 inch 10 lines to 2 inches 

 1 line. 



$ . Rio Jutahi, 25th January ; $ Santarem, 4th Feb- 

 ruary, 1875. 



Only a single pair was obtained of this species; it is 

 nearly allied to '■^ Homoptera'''' pacijica of Walker, but is 

 structurally better placed in Lacera than in Ilomoptera. 



Amphigonia, Guenee. 



100. Amphigonia placida, n. sp. 

 Greyish-fuliginous, the wings above shot with lilac ; 



primai'ies crossed by three ill-defined dusky stripes, the 

 two first of which are united, so as to form a loop, upon 



