6i Mr. A. G. Butler o?i the 



ArCHYLUS, Walker. 



109. Arcbylus nigrisparsxis, n. sp. (PI. III. fig. 8.) 

 Silky snow-white ; primaries above with eight black 



spots at about the middle as follows : four in an oblique 

 series, one, smaller above the second and third of the 

 oblique series, and three, small, below the same spots ; 

 pectinations of antennaa fulvous : expanse S 1 inch 1 line ; 

 2 1 inch 7 lines. 



$. West end of Ilha de Perarara, Rio Solimoes, 

 14th October; 2. Barreiras das Araras, 15th November, 

 1874. 



SuLYCiiRA, n. gen. 



Allied to Archylus, but the body more slender; the 

 primaries narrower ; the branches of the subcostal vein 

 closer together and more parallel ; the extremities of the 

 cell parallel, the angle of the discocellulars exactl}' in the' 

 middle ; the branches of the median vein emitted nearer 

 together ; secondaries with the discocellulars angulated in 

 the middle as in primaries ; the second and third median 

 branches emitted almost from the same point. Type, 

 «S'. argentea. 



110. Sulyclira argentea, n. sp. 



Silvery white ; the antennas with brown pectinations ; 

 the abdomen above oi'ange, banded with black, and sparsely 

 clothed Avith white hairs : expanse $ 1 inch 2 lines ; 

 2 1 inch 4 lines. 



2. Rio Jurua, 7th November; ^. Rio Javary, 7th 

 December, 1874. 



This is a small delicate-looking species. 



Carama, Walker. 



111. Carama pura, n. sp. 



jNlost nearly allied to C. Walkeri, but smaller; the 

 abdomen pure white ; the thoracic tufts less prominent ; 

 the pectinations of the antennae testaceous instead of red- 

 dish ; the frons, prothorax below and anterior tibiifi pale 

 brown : expanse 1 inch 3 lines. 



Rio Jurua, 7tli November, 1874. 



Family Notodontid^. 

 Edema, Walker. 



112. Edema pulchra, n. sp. (Pk III. fig. 6.) 



2. Aspect of E. alhifrons more like E. viumctes in 



