218 Mr. W. Bartlett-Calvert’s descriptions of 
13. Siona alba, n. sp. 
Alis supra albidis; anticis dense nigro-punctatis, macula fu- 
mosa subapicali; posticis immaculatis; infra, anticis subalbidis 
nebula apicali fumosa et nigro-punctata in margine anteriore ; 
posticis albidis, dense punctatis fumosis, margine exteriore lato 
ejusdem coloris; macula discoidali nigra. Ex. alar. 30 mm. 
Hab. Araucania, Februario. 
Wings on the upper side of a shining silvery white, the pri- 
maries densely black-speckled, more especially on the costal mar- 
gin, a large smoky subapical patch; hind wings without markings ; 
below the fore wings are whitish, with a large smoky patch (in 
some examples this patch is of a reddish hue), which occupies the 
apex ; the costal margin black-speckled; hind wings white, very 
minutely speckled with brown, the outer fourth being of a smoky 
brown colour, with a few black spots on the nervules of inner 
border; a black spot at upper end of cell; antenne reddish; 
thorax and body dirty white. 
Rhopalodes esmeralda, n. sp. 
Alis anticis supra viridibus, margine anteriore albomaculato et 
exteriore nigro, fimbriis albis et nigris; posticis albo-roseis lineis 
angulosis transversis roseis, margine exteriore flavo; infra, anticis 
roseis, margine interiore albido, apice nigro, macula subapicali 
sulphurea, lineis tribus notata, margine exteriore in dimidio in- 
feriore aureis; posticis pallide flavis, linea transversa et macula 
apicali roseis. Ex. alar. 31 mm. 
Hab. Valdivia, Martio. 
Primaries on the upper side of a dull sap-green, the costal mar- 
gin white-spotted, outer margin black; fringe alternately black 
and white; hind wings of a faint rosy white, crossed just beyond 
the middle by an angulated rosy stripe, and a rose-coloured nebula 
on the disc; outer margin very pale yellow; fringe white; thorax 
and body whitish ; below, the fore wings are of a dull rose colour, 
with the inner margin whitish yellow; a large black apical patch 
enclosing a pale triangular yellow one on costal border ; this pateh 
is crossed by three dark lines; the lower half of external margin 
is of a golden hue, rather wider on its upper extremity between the 
radials that leave the lower end of cell; hind wings of a pale yellow 
and rosy tints combined, with the transverse line of upper side and 
a large cellular spot of a dark dull rose colour; pectus and venter 
dirty white ; legs and antenne brownish, 
