490 Lord Rothschild on Arctiine from 
three-fifths sooty yellowish brown-grey, very thinly scaled, a 
black patch on discocellulars. 
Hind wing somewhat semihyaline milk-white. 
Length of fore wing 24 mm. ; expanse 54 mm. 
1 ¢ caught, Lima, Peru. 
14. Hlysius mosst, sp. n. 
6. Pectus, head, and thorax sooty brown-black ; antennze 
greyish brown-black ; abdomen, basal half sooty brown- 
erey, anal half black-brown. 
Fore wing sooty dark brown, thinly scaled on disc, 
nervures brighter brown. 
Hind wing somewhat semihyaline greyish milk-white, 
nervures brownish. 
9 smaller, antenne deep black ; fore wings densely scaled 
sooty-black; hind wings greyer; basal half of abdomen 
greyer. 
Length of fore wing, ¢ 28 mm., ? 24 mm.; expanse, 
6 62 mm., 2? 58 mm. 
14,39 2 caught, Lima, Peru (2¢ ¢ in Tring Museum : 
1 Ecuador (Staudinger) ; 1 Riobamba, Ecuador (Simons)). 
15. Opharus astur (Cram.). 
Phalena astur, Cramer, Pap. Exot, vol. ii. pt. x. p. 35, pl. exx. fig. B 
(1777) (Surinam). 
1 2 canght, Chanchamayo District. 
16. Amastus rumina meridionalis, subsp. n. 
6 ?. Differs from rumina rumina, Druce, from Costa 
Rica, in the less rufous-brown shading of the fore wings and 
the broader orange markings on the patagia and tegule. 
1 6,1 2 caught, Chanchamayo District. 
17. Thalesa citrina albipuncta (Rothsch.). 
Halisidota albipuncta, Rothschild, Ann, & Mag. Nat. Hist. (8) iv. 
p- 221 (1909) (Ecuador). 
1 $,1 2 caught, Lima, Peru; 1 ? caught, Chanchamayo 
District. 
18. Thalesa amaxieformis (Rothsch.). 
Halisidota amaxieformis, Rothschild, Novit. Zool. vol. xvii. p. 68 
(1910) (luo Cazapas, Mcuador). 
1 g caught, Santarem. 
