LEPIDOPTERA HETEROCERA. 
103 
Group 3. 
Caput antice rotundatum, non conicura. Alae anticae apice 
rotundatae, margine exteriore perobliquo subconvexo non excavato. 
Head rounded in front, not conical, as in P. subhamata. Fore 
wings somewhat rounded at the tips, slightly convex and not exca- 
vated along the exterior border, which is very oblique. 
5. Perigonia glaucescens. 
Fusca , subtus testacea ; caput albo bistrigatum ; thorax subvirides- 
cens ; abdomen ferrugineum , sub glaucescens, segmento 5o 
albido , 6i et 7i lateribus albido fasciculatis , fasciculo apicali 
nigricante ; alee subtus rufescentes, anticee glaucescentes bifas- 
ciata , fascia una fusca , altera ferruginea fusco extus margi- 
nata ; posticce fuscce , macula apud angulum interiorem lutea. 
Brown, testaceous beneath. Head with a white streak on 
each side behind the eye. Antennae tawny, very slender, not longer 
than the thorax. Thorax slightly tinged with green. Abdomen fer- 
ruginous, slightly glaucous : fifth segment whitish ; sixth and seventh 
segments with a whitish tuft on each side ; apical tuft blackish. 
Wings reddish beneath. Fore wings with a glaucous tinge, and 
with two oblique bands, the one dark brown and interior, the other 
ferruginous and exterior, and bordered with dark brown on its outer 
side. Hind wings dark brown, with a luteous spot by the interior 
angle, and a white speck near the base of the interior border. 
Length of the body 12 lines ; of the wings 28 lines. 
a. St. Domingo. From Mr. Tweedie’s collection. 
6. Perigonia undata. 
Fusca; caput subtus et pectus canescentia ; thorax vittis duabus 
latis abbreviatis posterioribus obscure fuscis ; alee anticee 
cinerea , nitentes, gutta alba strigaque nigra basalibus, striga 
alba maculaque nigra discalibus, fasciisque duabus latis ferru- 
gineis nigro marginatis . 
Macroglossa undata, MSS. 
Brown. Head beneath and pectus somewhat hoary. Thorax 
with a short broad posterior dark brown stripe on each side. Abdo- 
men and hind wings wanting. Fore wings cinereous, shining, with 
a white dot and a black streak at the base, with a white streak 
