416 Mr. A. G. Butler on Heterocerous Lepidoptera 



subapical costal spot on the primaries, all with denticu- 

 lated outer edges bordered with white, and followed by 

 slender zigzag lines, dark brown ; fringes of all the 

 wings with whity-brown basal line ; under surface shining 

 grey ; primaries white, with white costal spots. Expanse 

 of wings, 23 mm. 



** Mountains of the hacienda of Cauquenes." — T. E. 



118. Cidaria diana, n. s. 



Belongs to the C. nissata group ; primaries above, with 

 the basal third pale greyish stone-colour, the central 

 third (bounded on both sides by blackish -edged dentate- 

 sinuate white lines) partly greyish and partly pale buff, 

 the external third dark greyish brown, clouded with 

 blackish, and marked near outer margin by a large ill- 

 formed crescent, near external angle by an irregular spot, 

 and between these spots and the costa by several dots, all 

 snow-white ; the whole surface of the wing strongly shot 

 in certain lights with bronzy gold ; a dentate-sinuate 

 central brown line, followed by a paler and less perfect 

 line of the same colour ; secondaries pearl-grey ; fringe 

 bronze-brown, tipped with white ; head and thorax 

 cream-coloured ; abdomen dark grey ; below, the pri- 

 maries are grey, cupreous at apex, and the secondaries 

 white, with black disco-cellular dots, and a slender den- 

 tate-sinuate discal line ; the primaries show the white 

 submarginal spots of the upper surface, and upon the 

 fringe is a series of cupreous-brown spots ; secondaries 

 with a submarginal series of blackish dots upon the 

 veins, and another upon the fringe ; body sordid-white ; 

 venter greyish. Expanse of wings, 29 mm. 



Var. cynthia. 



Larger, the primaries considerably darker, of a more 

 uniform greyish brown colour, with the markings less 

 defined, the white spots sometimes almost obsolete. 

 Expanse of wings, 30 — 33 mm. 



Var. lima. 



Smaller, altogether greyer, the primaries with a con- 

 spicuous black disco-cellular spot. Expanse of wings, 

 25 mm. 



