394 Mr. A. G. Butler on new Species 



4. Procris esmeralda^ n. sp. 



Primaries shining emerald-green, more golden at basal and 

 costal areas, fringe smokj grej ; secondaries smoky gi'ey, 

 semitransparent, fringe opaque ; antennae and thorax emerald- 

 green ,' abdomen blackish, dull green at the sides : bodj below- 

 dull green ; primaries below smoky grey, the apex and costa 

 dark shining green ; secondaries as above. Expanse 11 lines. 



Yokohama [Jonas). 



Apparently allied to " Lio chinensis'''' of Felder^ but coloured 

 more like Procris cognata ? of Herrich-Schaffer ( ? Rambur). 



5. Northia tenuis^ n. sp. 



Wings greyish hyaline, the veins black, outer margins 

 slenderly black ; primaries with the costal area and a broad 

 internal border black ; secondaries with the apex and a 

 lon2:itudinal streak from the base through the cell black, 

 costal area grey; antennae steel-blue, with black pectinations; 

 body black, thorax spotted with steel-blue scales ; abdomen 

 with the margins of the segments and anal extremity metallic 

 green, below wholly green ; wings below with a blue spot at 

 the base ; proboscis yellow. Expanse 1 inch 2 lines. , 



Yokohama, Hakodate, and Hong-Kong. 



Aspect of Illiberis trista of Bremer. 



Arctiidse. 



6. Spilarctia imparilisj n. sp. 



^ . Above smoky brown ; primaries with a spot at the base, 

 an elbowed series across the middle, an oblique series termi- 

 nating opposite the end of the cell in a quadrate patch of six 

 spots, and an abbreviated zigzag submarginal series of dots 

 black ; secondaries with a submarginal series of large blackish 

 spots ; head whitish; back of collar, margins of eyes and abdo- 

 men golden orange, the latter with dorsal and lateral black 

 spots ; tegulae with a black spot ; body below whity brown. 

 Expanse 1 inch 10 lines. 



$ . White ; primaries creamy, the black spots very small, 

 many of them wanting ; secondaries pure white, spotless ; 

 body white, the margins of the collar and eyes and the dorsal 

 surface of the abdomen golden orange, the latter with a cen- 

 tral row of black spots ; anus creamy wdiite ; tegulse with a 

 black spot. Expanse 2 inches 3 lines. 

 Yokohama. 

 The male is near to 8. hrunnea ; but the female resembles 



