Descriptions of Pterophoride and Orneodide. 499 
Thorax whitish, sometimes more or less tinged with ochreous. 
Abdomen whitish-ochreous, base sometimes whitish, with dorsal 
and lateral series of blackish dots on edges of segments. Legs 
whitish, anterior and middle femora and tibiw and basal joint of 
tarsi lined with dark fuscous. Fore-wings cleft from 3, segments 
rather broad, first pointed, termen of second very oblique ; whitish- 
ochreous, partially tinged or sprinkled with brownish, and strewn 
with scattered blackish-fuscous scales, usually more or less mixed 
with whitish suffusion; a blackish-fusccus dot on costa beyond 
middle of first segment, one just before apex, and one on lower 
margin of segment between these ; minute blackish-fuscous dots at 
extremities of veins 1b and 2-4: cilia whitish-ochreous, beneath 
apex somewhat infuscated. Hind-wings cleft firstly from 3, secondly 
from 1, segments moderate, first pointed, second very acute, 
subfalcate; pale ochreous-grey ; cilia whitish-ochreous. 
BRAZIL, Sao Paulo; seven specimens. 
Pterophorus spermatias, 0. sp. 
¢. 16-17 mm. Head ochreous-brown, between antenne whitish. 
Palpi whitish, with dark fuscous lateral line. Antenne whitish, 
towards base with dark line above, moderately ciliated. Thorax 
ochreous-whitish, tinged or sprinkled with brownish. Abdomen 
ochreous-whitish, with dorsal series of blackish dots on segmental 
margins. Legs whitish, anterior and middle femora and tibize and 
basal joint of tarsi lined with dark fuscous, posterior tibize with dark 
grey apical dot. Fore-wings cleft from 2, segments broad, first 
pointed, termen of second very oblique; whitish-ochreous mixed 
with whitish and brownish, and irregularly sprinkled with dark 
fuscous; traces of a small cloudy dark fuscous spot in disc 
at 4, and a more distinct one above base of cleft; two small 
dark fuscous costal spots about middle and } of first segment, 
a dark fuscous dot on its lower margin near apex, and one at apex; 
dark fuscous dots at extremities of veins 3 and 4: cilia whitish- 
fuscous. Hind-wings cleft firstly from 2, secondly from 3, segments 
moderate, first pointed, second long-pointed, acute ; grey ; cilia light 
grey. 
BrAZIL, Sao Paulo; three specimens. 
Pterophorus nivalis, n. sp. 
gd Q. 22-24 mm. Head ochreous sprinkled with whitish, upper 
half of face brown edged beneath with whitish. Palpi ochreous- 
