( 13 ) II. Descriptions of Micro-Lepidoptera from Bolivia and Peru. By E. Meyrick, B.A., F.R.S. [Read November 18th, 1908.] In the following paper seven genera and fifty-three species from the highlands of Bolivia and Peru are described as new. The altitudes of the localities quoted are stated as under, viz. : Pozuzo, Peru . El Porvenir, Peru Aqualani, Peru Songo, Bolivia Chulumani, Bolivia 2,500 feet. 3,000 feet. 9,000 feet. 6,500 feet. 6,500 feet. The examples described are in my own collection. PTEROPHORIDAE. Utuca prometopa, n. sp. $ 9 • 25-32 mm. Head whitish-ochreous, laterally tinged with reddish-brown, with a strong conical horny frontal prominence clothed with a very long conical tuft of scales (Sj). Palpi long, ochreous-whitish irrorated with reddish-fuscous except towards apex. Antennae ochreous-whitish lined with fuscous. Thorax ochreous-whitish irrorated with reddish-fuscous. Abdomen whitish-ochreous more or less tinged or mixed with reddish-fuscous, with a lateral white streak edged beneath with reddish-fuscous. Legs reddish-fuscous, all tarsi white, anterior and middle tibiae white above. Fore-wings cleft to f, first segment narrow, acute, second very broad with pointed apex and obliquely rounded termen ; reddish-brown becoming paler on posterior half, more or less sprinkled with dark fuscous, especially anteriorly, and irregularly irrorated through-out with whitish scales and strigulae ; cloudy round dark fuscous dots in disc at \ and f , and another obliquely beyond and above second : cilia pale brownish-ochreous mixed with reddish-fuscous, round apex of wing suffused with dark reddish-fuscous. Hind-wings grey, slightly reddish-tinged ; cilia light greyish-ochreous. Peru, Aqualani, in July and December ; five specimens. Specially characterised by the unusually long frontal tuft. TRANS. ENT. SOC. LOND. 1909. — PART I. (MAY)