108 MR. H. DRUCE ON LEPIDOPTERA FROM SIAM. [Jail. 20, 



Genus Delias, Hiibn. 

 1. D. hierte, Hiibn., var. indica, Wall. Trans. Ent. Soc. 

 ser. iii. vol. iv. p. 351 (1867). 

 Nahconchaisee. 



Genus Eronia, Hiibn. 



1. E. Valeria, Cram. (Pap. V.) Pap. Ex. i. t. 85 A (1779). 



Chentaboon. 



Genus Callidryas, Boisd. 



1. C. pyranthe, Godt. Enc. Meth. ix. p. 77 (1819). 

 Chentaboon ; Nahconchaisee. 



2. C. crocale, Cram. (Pap. C.) Pap. Ex. i. t. 55 C, D (1779). 

 Chentaboon ; Nahconchaisee. 



Genus Hebomoia, Hiibn. 

 1. H. glaucippe, Linn. (Pap. G.) Mus. Ulr. p. 240 (1764). 

 Chentaboon ; Nahconchaisee. 



Genus Ixias, Hiibn. 



1. I. verna, n. s. (Plate XVI. figs. 5, 6.) 



Upperside (male) yellowish white, with the base of the anterior 

 wing greyish ; apical half broadly black, bordered on the inner 

 margin with bright yellow, with a large subapical orange band. Pos- 

 terior wing, over the outer magin broadly black, extending from the 

 apex to near the anal angle ; abdominal margin sulphur yellow. 



Underside the same as /. pyrene, Linn. 



The female chiefly differs from the male in having all the dark 

 margins much broader, and the subapical orange band smaller and 

 paler-coloured. Underside the same as the male. 



Exp. 6 2| in., $ 2 in. 



Nahconchaisee. In coll. H. Druce. 



Genus Ornithoptera, Boisd. 

 1. O. rhadamanthus, Boisd. Sp. Gen. i. p. 180. n. 8 (1836). 

 Chentaboon, 1 <f ; Nahconchaisee, 1 6 • 



Genus Papilio, Linn. 



1. P. agamemnon, Linn. Mus. Llr. p. 202 (1764). 

 Chentaboon. 



2. P. erithonius, Cram. Pap. Ex. iii. t. 232 A, B (1782). 

 Nahconchaisee. 



3. P. demolion, Cram. Pap. Ex. i. t. 89 A, B (1779). 

 Chentaboon. 



4. P. polytes, Linn. Mus. Ulr. p. 186 (1764). 

 Chentaboon, 4 S , 3 $ ; Nahconchaisee, 2 6, 3 $ . 



