ACTIAS. — ATTACUS. 15 



than in mcenas, with its outer edge more irregular ; the whole tail 

 pinkish, except the tip. 



Hab. Andamans. Exp. 164 millim. 



Genus ATTACUS. 

 Attacus, Linn. Syst. Nat. i, pt. 2, p. 808 (1766). 



Type, A. atlas, Linn. 



Range. Mexico ; S. America ; Africa ; Japan ; China ; throughout 

 India, Ceylon, and Burma ; Malacca ; Java. 



Fore wing with the apex produced and rounded ; the outer 

 margin excised. Hind wing rounded. Cell of both wings open. 



4. Attacus atlas, Linn. Syst. Nat. i, pt. 2, p. 808 ; C. 8f 8. no. 1535 ; 



Cram. Pap. Exot. iv, pi. 381, fig. C ; Moore, Cat. E. I. C. pi. xx, 



figs. 2,2 a (larva). 

 Saturnia silhetica, Heifer, J. A. 8. B. vi, p. 41 ; C. $ S. no. 1542. 

 Attacus taprobanis, Moore, Lep. Ceyl. ii, p. 124, pi. 127, figs. 1, la; 



C. 8f 8. no. 1543. 



Head, thorax, and abdomen red-brown ; the basal segment and 

 abdomen pale, and each segment with a pale fringe ; legs brown. 

 Fore wing with the costa brown ; the basal area brown and red- 

 brown edged by red, pale, and black lines, curved from the costa 



Fig. 9. — Attacus atlas, tf. ^. 



to vein 2, then oblique to near base of inner margin ; medial area 

 red-brown ; a large triangular hyaline spot at end of cell "«"ith a 

 black edge ; one or two hyaline streaks above it touching the post- 

 medial line, which is black, pale, and red, and curved inwards from 

 the subcostal to vein 2, then outwards to inner margin ; outer 



