PIERID.E. 69 



Interior of South Africa. Sierra Leone. St. Vincent 

 (Cape Verd Islands).— Coll. Brit. Mus. 



King William's Town (Mrs. Drake).— Coll. W. D'Urban). 

 Knysna. — Coll. mihi — (? Florella). 



" Bay of Port Natal." " Senegal. Guinea Coast." — Boisd. 

 *' Soinauli-land, East Africa." — Felder, Lep. Fragm. 



46. Callidryas Rhadia. 



Callidryas Rhadia, Boisd., Sj). Gen. Lep., 1, p. 617, n. 11. 

 ,, ,, ,, ^pp. Voy. de Deleg., p. 588. 



Callidryas Castalia, Douhl., Westto., Hewits., Gen. Diurn. 



[Lep. 



Expands 2 in. 3 lin.— 2 in. 10 lin. ( ? ). 



$ . " Habit and size of Drija. Upper surface without 

 spots, as in the $ of Euhule. [The $ of Euhule is sulphur- 

 yelloto, without spots, and has on hind-margin minute ferru- 

 ginous dots at extremities of nervules.] Under-side. — 

 Citron-yelloiv. Fore-iving : at extremity of discoidal cell a 

 transverse, brick-red mark, intersected by two thin, yellow 

 nervures. Hind-iving : a silvery disco-cellular spot, circled 

 ■with red ; succeeded by several indistinct, ferruginous dots, 

 disposed in the form of a transverse band, and sometimes 

 scarcely visible." — Boisd., Sp. Gen. Lep. 



? . Sulphur -yellow. Fore-wing : a round, black, disco- 

 cellular spot ; an indistinct, curved row of ferruginous spots 

 from costa near apex ; on hind-margin, a row of rather large, 

 united, ferruginous spots, forming a narrow border, dentate 

 on its inner edge. Hind-wing : no spot at extremity of dis- 

 coidal cell ; on hind-margin, a row of small, ferruginous 

 dots at extremities of nervules. Under-side. — Richochreous 

 yellow, inclining to orange, irrorated with ferruginous dots or 

 lines. Fore-wing : much paler on inner-marginal portion, 

 which is not irrorated ; a dusky-blackish, disco-cellular spot, 

 centred with |;a/e-2;?o/e^ ; an indistinct trace of the reddish 

 band from costa near apex ; on hind-margin, a series of 

 ferruginous dots at extremities of nervules. Hind-wing : 

 three silvery spots in ferruginous rings form one disco-cellu- 

 lar marking ; beyond which is a row of more or less distinct 

 ferruginous spots parallel to hind-margin ; at extremities of 

 nervules, a row of ferruginous spots along hind-margin. 



I once saw tbis beautiful Butterfly at Knysna, on the 11th of March, 

 1859, flying rapidly over tbe marshes near the river. I chased it for some 

 time, but, when close upon it, by an unlucky fall gave the insect time for 

 so long a start, that it was useless to try further pursuit. An aged speci- 

 men of the/email', from the same locality was given me by a lady who took 

 it there some years ago. The insect is conspicuous in flight, owing to its 



