1883.] MR. F. MOORK ON LIMNAINA AND EUPLOEINA. 223 



Genus Radena. 



Radena, Moore, Lep. of Cejlon, i. p. 3 (1880); Distant, Rhopal. 

 Malayaiia, p. 9 (1882). 



Danmis (part.), Latreille, Gen. Crust, et Ins. iv. p. 201 (1809). 



Hestia (part.), Iliibner, Verz. bek. Schmett. p. 15 (181 G). 



Danais {Radena), Marshall & de Nic^ville, Butt, of India, 

 Burmah, &c. p. 32 (1882). 



Fore wing moderately long, triangular ; first subcostal branch 

 emitted at about one third before end of ihe cell and anastomosed 

 to the costal iu the middle, second branch emitted immediately 

 before end of the cell, tiiird and fourth at equal distances beyond; 

 discocellulars concave, upper slightly bent before the middle, pro- 

 ducing a very short discoidal spur within the cell from the angle, 

 lower discocellular slender at its upper end ; upper radial from end 

 of cell, in a line with subcostal, lower from the middle ; medians at 

 equal distances apart; submedian with a short, slender, lower basal 

 veinlet. Hiud wing broad, somewhat triangular ; costal margin 

 long, nearly straight, abdominal margin long ; costal vein very 

 convex from the base and ilien extending straight along edge of the 

 margin ; cell long, broad ; subcostals and median branches very 

 wide apart. No scent-pouch in male. Antennse longer thau in 

 allied genera, and with a more gradually thickened and blunt club. 

 Apical joint of palpi long. 



Larva {R. juventa) with two pairs of fleshy filaments. ' 



Type R. similis. 



1. Radena similis. 



Pajnlio similis, Linn. Mus. Ulr. p. 299 ; id. Syst. Nat. x. p. 479 

 (1758) ; Clerek, Icones, i. pi. 16. t. 3 (1759) ; Fabr, Ent. Syst. iii. 

 p. 58. 



Danais similis, Butler, Catal. Lep. Fabr. Brit. Mus. p. 6. 



Danais similis, Aurivillius, Kongl. Vet.-Akad. Handl. 1882, 

 p. 100. 



Papilio aventina, Cramer, Pap. Exot. i. pi. 59. f. F (1779). 



Danais aventina, Godt. Enc. Meth. ix. p. 191. 



Danais chinensis, Felder, Verb, zool.-bot. Gesellsch. xii. p. 488 

 (1862). 



Hab. Hongkong ; Formosa. 



2. Radena perstmilis. (Plate XXXI. fig. 4.) 

 Danais persimilis, Moore, Proc. Zool. Soc. 1879, p. 136. 

 Hab. Siam (Bankok). In coll. F. Moore. 



3. Radena vulgaris. 



Danais vulgaris, Butler, Entom. Monthly Mag. xi. p. 164 (1874) 

 Moore, Proc. Zool. Soc. 1878, p, 822. 



Radena vulgaris. Distant, Rhopalocera Malavaiia, p. 10, pi. 1, 

 f. 8 (1882). 



