Dr. A. G. Butler on new Pierine Butterflies. 367 
upper surface ; all the pale markings are, however, clearer, 
more sandy yellowish, excepting those on the outer margin, 
which are white; those towards the base are extended in a 
diffused manner towards the base; the spots crossing the 
disk of secondaries are acutely hastate, diffused externally. 
On the under surface the colouring and pattern more nearly 
approach those of C. philothea, but all the light areas are 
wider and more sharply defined; the general colouring of 
the primaries is clear buff, that of the secondaries pearl-white, 
washed with sulphur-yellow on the inner half of the discal 
and marginal white markings, and here and there over the 
basal area much as in the secondaries of C. manco; the apical 
area and marginal spots of the primaries are also similarly 
tinted. 
Expanse of wings 46-52 millim. 
Ecuador (Buckley). Two males, coll. Hewitson. 
From all its near allies this species may be distinguished 
by its clearer brighter colouring both above and below, by 
the sharp definition of the under-surface markings, by "thee 
much wider and less crescent-shaped disco-submarginal spots 
across the under surface of the primaries and the wider corre- 
sponding belt of markings across the secondaries. Hewitson 
confounded this species with C. modesta. 
2. Catasticta cinerea, sp. n. 
Primaries above ash-grey, with the veins and costal margin 
broadly black ; outer fourth of the wings occupied by a broad 
black border, “crossed by a series of whitish-grey spots; a 
marginal series of minute white dots: secondaries with the 
basal half ash-grey irrorated with black; outer half black, 
crossed by a series of whitish-grey spots; a marginal series 
of small sulphur-yellow spots. Body blackish; palpi with 
two lateral white lines ; collar with a small yellow spot on 
each side. Under surface nearly resembling that of C. urt- 
cache, but the grey areas more slate-coloured, the yellow 
markings ceeper in tint, all the pale markings more sharply 
defined and those crossing the primaries broader. 
Expanse of wings 65 millim. 
Locality unfortunately not preserved. One male, coll. 
Hewitson. 
This very fine species and the two following were con- 
founded by Hewitson with C. uricechee ; the present species 
is, however, in some respects nearer to C. semtramis and 
amastris. 
