PTEROPHORlDiE. 
569 
near before cleft, base of cleft whitish ; an undefined elongate spot 
of fuscous suffusion on costa beyond cleft, preceded and followed 
by whitish suffusion ; some dark fuscous irroration along fold : a 
rather dark fuscous elongate mark on lower edge of first lobe 
towards apex; apex of first lobe and a terminal fascia of seeond 
suffused rather dark fuscous : cilia light greyish-ochreous. Hind- 
wings grey ; cilia light grey. 
Brazil, Queluz; 1 ex. (Coll. Paravicini). Perhaps allied to 
sacrificus. 
' Pterophorns nauarches, n. sp. 
cJ . 27 mm. Head, palpi, antennae whitish, forehead ochreous. 
Thorax whitish-ochreous, tegulse light ochreous, tip and shoulder 
white. Abdomen pale ochreous. Porewings first lobe narrow, 
long-pointed, second moderately broad, termen very oblique ; pale 
ochreous ; a slender white costal streak from base to beyond middle; 
a broad median streak of fuscous suffusion from base to cleft, some 
white irroration beneath it posteriorly; a white streak along lower 
margin of first lobe ; second lobe suffused whitish : cilia grey, on 
costa tips whitish. Hindwings grey ; cilia light greyish. 
Peru, Agualani, 9000 feet, June ( OcJcenden); 1 ex. (Coll. 
Paravicini). 
Fteropliorus chionophanes, n. sp. 
$. 30 mm. Head, palpi, thorax, abdomen whitish-ochreous, 
teguke snow-white. Forewings first lobe moderate, pointed, second 
slightly broader, termen straight, very oblique ; snow-white, a few 
irregularly scattered grey scales on costal half; on each lobe a 
slender undefined subcostal streak of light grey suffusion ; minute 
black dots on ends of veins : cilia white. Hindwings and cilia 
white. 
Peru, Agualani, 9000 feet, June ( OcJcenden ); 1 ex. (Coll. Para¬ 
vicini). Hear argutus. 
Pterophorns zetes, n. sp. 
5 . 27 mm. Head, thorax whitish-ochreous sprinkled brownish, 
tegulse whitish. Palpi fuscous, tips of joints white. Abdomen 
whitish-ochreous irregularly irrorated dark brown, whiter towards 
base, 3 apical segments more brownish. Forewings first lobe 
rather narrow, short-pointed, second about as wide, termen very 
oblique, faintly sinuate ; whitish-ochreous, whiter at base, some 
irregular dark brown sprinkling, especially along anterior half of 
costa, costal edge fuscous from base to cleft; a brownish dot in 
disc before 5 ; an oblique dark brown mark just before cleft, its 
lower extremity irregularly enlarged ; a brown oblong spot on costa 
beyond cleft; a conspicuous black costal dot midway between this 
and apex; some fuscous suffusion towards apex of first lobe, a small 
dark fuscous spot on its lower margin near apex, and an elongate 
fuscous spot before this ; second lobe suffused fuscous towards 
