LEPIDOPTERA HETEROCERA. 103 



Group 3. 



Caput antice rotun datura, non conicum. Alae anticae apice 

 rotunda tai, 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, subglaucescens, segmento bo 

 albido, 6i et li lateribus albido fasciculatis, fasciculo apicali 

 nigricante ; ula? subtus rufescentes, anticce glaucescentes bifas- 

 ciatce, fascia una fusca, altera ferruginea fusco extus margi- 

 nata ; posticce fuscce, macula apud unguium interiorem lutea. 



Brown, testaceous beneath. Head with a white streak on 

 each side behind the eye. Antenna? 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 duabns 

 latis abbreviatis posterioribus obscure fuscis ; alee anticce 

 cinerece, 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 



