LEPIDOPTERA HETEROCERA. 1203 



Group 1. 



Antennae thorace vix longiores. AI33 macula magna trigona 

 vitrea ; anticae subfalcatae, apud costam subconvexae, margine exte- 

 riore subconcavo ; posticae fere duplo latiores quam longae ; abdomen 

 plus dimidio superantes. 



Antennae hardly longer than the thorax. Abdomen extending 

 to more than one-third of the breadth of the hind wings. Hind 

 tibiae with two moderately long apical spurs. Wings with a large 

 distinctly triangular vitreous spot. Fore wings convex in front, 

 slightly falcate at the tips, very slightly concave and oblique along 

 the exterior border; spot with the angles somewhat rounded; sides 

 almost straight ; interior side slightly indented towards the front. 

 Hind wings nearly twice broader than long, very much broader 

 than the fore wings. Male. — Antenna? very deeply pectinated ; 

 branches in pairs, stout, thickly ciliated, not opposite each other, 

 much fewer than those of A. Atlas. 



4. Attacus Aurota. 



Ala falcata concolores flavescentes, fascia albida lunulaque disci 

 feneslrata. 



Bombyx Aurotus, Fabr. Mant. Ins. ii. 108, 3; Ent. Syst. iii. 1, 



408, 3. Oliv. Enc. Meth. Ins. v. 25, 4. 

 Phalaena-Bombyx Attacus Aurotus, Gmel. ed. Syst. Nat. i. 5, 



2401, 6. 

 Phalaena Auacus Aurota, Cram. Pap. Exot. i. 11, pi. S. f. A. 

 Attacus Aurota, Hdbn. Verz. Schmett. (Plialcence Sphingoides 



Echidnce Speculates), 156, 1627. 



Red. Head pale. Abdomen white at the base, and with 

 white bands. Wings with a large irregularly triangular hyaline 

 black-bordered spot on each disk, and in contact with an oblique 

 undulating discal band, which is successively black, white, red and 

 black, with white dots ; in contact with the last colour there is a broad 

 deeply serrated rosy band, with white dots; borders brownish. Fore 

 wings at the base with a short broad rosy white-dotted costal stripe, 

 and with a white and black stripe, which forms a nearly right angle, 

 and joins the costa beyond the rosy stripe; also with a testaceous 

 oblique submarginal band, and with a white apical streak, adjoining 

 which there are two black and red ocelli, the hind one incomplete, 

 the fore one rudimentary. Hind wings with a black and white an- 

 gular subbasal band, and with a submarginal band composed of 

 black testaceous-bordered spots. Male. — Vitreous spot in the fore 



