50 MR. A. G. BUTLER ON THE GENUS DANAIS. [Jail. 23, 



27. Danais ismareola, sp. n. 



Upperside — front wings brown ; a white discoidal streak ; three 

 elongate obliquel}' placed white spots at the end of the cell ; a series 

 of six white spots across the disk, the three upper ones placed ob- 

 liquely, the others following the direction of the outer margin ; a 

 double submarginal series of white spots ; a large white apical spot ; 

 a large white spot below the end of the cell, between first and 

 second median branches ; an elongate white streak filling the inter- 

 space between the first median branch and the submedian nervure 

 to beyond tbe middle of the wing ; a narrow white streak along the 

 interior margin. Hind wings, basal area white, divided into thirteen 

 unequal parts by the nervures, which are brown ; outer margin 

 brown, with a double series of submarginal white spots. Body brown; 

 prothorax spotted with white. 



Underside nearly as above. Body — abdomen pale brown. 



Expanse of wings 3^ inches. 



Hab. Ternate. B.M. 



28. Danais ismare. 



Papilio ismare, Cramer, pi. 279. f. E, F (1780). 

 Hestia ismare, Hvibner, Verz. bek. Schmett. p. 15 (1810). 

 Danais ismare, Godart, Enc. M. ix. p. 190. n. 45 (1819); Westw., 

 Doubl. & Hewits. Gen. Diurn. Lepid. p. 93. n. 31 (1847). 



Hab. Amboyna; North Ceram. B.M. 



Section 3. 



29. Danais sobrina. 



Danais sobrina, Boisd. Faune de l'Oceanie, ix. p. 103, pi. 4. f. 3 

 (1832) ; Westw., Doubl. & Hewits. Gen. Diurn. Lepid. p. 92. n. 24 

 (1847). 



Hab. New Guinea. B.M. 



Note. — In the ' Voyage de 1' Astrolabe,' the island of Vanikoro is 

 given as the locality for this species ; but this may possibly be an 

 error. I have lately seen specimens from the Aru Islands. 



30. Danais similis. 



Papilio similis, Linnaeus, Syst. Nat. i. p. 479 (1758) ; ii. p. 782 ; 

 Clerck, Icones, t. 16. f. 3. 



Danais similis, Doubleday, List Lep.Brit.Mus. pt. 1 . p. 49 (1844); 

 Westw., Doubl. & Hewits. Gen. Diurn. Lepid. p. 92. n. 30 (1847) ; 

 F.Moore, Cat. Lep. Mus. East Ind. Comp. p. 122. n. 237 (1857). 



Papilio aventina, Cramer, i. pi. 59. f. F (1775). 



Danais aventina, Godart, Euc. M. ix. p. 191. 



Hab. China; Java; North India. B.M. 



Var. Danais melissa, Doubleday, List Lep. Brit. Mus. pt. 1 . p. 49 ; 

 Westw., Doubl. & Hewits. Gen. Diurn. Lep. p. 92. n. 28. 



Hab. North India ; Singapore. B.M. 



Note. — This variety was formerly in the National Collection under 

 the name of D. melissa. 



