958 
CATALOGUE OF 
longissimis. Alae concolores, lituris non diversis ; anticae vix sub- 
falcatae, margine exteriore subobliquo; posticae margine exteriore 
inciso. 
Male . Body rather slender. Proboscis distinct. Palpi slen- 
der, smooth, hardly ascending ; second joint curved ; third lanceo- 
late, nearly as long as the second. Maxillary palpi distinct. 
Antennae smooth, robust. Abdomen extending rather beyond the 
hind wings. Legs smooth, rather stout ; spurs extremely long. 
Wings moderately broad, not long, alike in colour, and with like 
markings. Fore wings hardly subfalcate ; exterior border slightly 
oblique. Hind wings with two notches on the exterior border. 
This genus is allied to Cymoriza , and also seems to have 
an affinity to the Choreutidce . The first species is the type. 
1. Ambia Ptolycusalis. 
Mas. Ochraceo-cervina ; abdomen apice album ; alee lineis lunu- 
laque discali albis fusco marginatis , linea interiore subrecta , 
linea exteriore valde Jlexa , linea submarginali lineaque mar - 
ginali nigra duplicata contiguis ; anticce lituris basalibus 
strigaque cuneiformi albis . 
Male . Ochraceous fawn-colour, white beneath. Abdomen 
white towards the tip. Wings with the lines and the discal lunule 
white, brown-bordered ; interior line nearly straight; exterior line 
much bent ; submarginal line contiguous to the double black mar- 
ginal line. Fore wings with some white basal marks, and with a 
white cuneiform streak, which joins the inner side of the exterior 
line. Length of the body 2\ lines; of the wings 5 lines. 
Sarawak, Borneo. In Mr. Saunders’ collection. 
2. Ambia? Perieresalis. 
Foem. Nigricante-cinerea , cupreo nitens , sat gracilis , subtus alba ; 
palpi lati , subdecumbentes , articulo 2 o supra albo , 3o albo 
parvo elongato fascia nigra ; pedes glabri , sat validi ; alee 
linea marginali testacea, fimbria albida ; anticce acutce , punc- 
tis marginalibus albis , linea interiore albida undulata , linea 
submarginali subobsoleta. 
Female . Blackish cinereous, cupreous-tinged, rather slender, 
white beneath. Palpi broad, slightly decumbent, as long as the 
