18/6.] MR. A. G. BUTLER ON THE GENUS TERACOLUS. 145 



a submarginal grey streak : wings below white ; primaries with the 

 discoidal cell bright sulphur-yellow, a black dot at the end of it ; 

 apex pale lemon-yellow, bounded internally by an orange streak ; a 

 dusky spot on internal area ; secondaries with the base of costa 

 orange ; a black-and-orange dot at end of cell ; a dusky streak across 

 the median branches. Expanse of wings 1 inch 6 lines. 



Africa? Type, coll. B.M. 



60. Tera.col.us pallene. 



Anthocharis pallene, Hopffer, Ber. Verb. Ak. Berl. p. 640. n. 4 

 (1855) ; Peters's Reise n. Mossamb. Zool. v. p. 358, pi. 23. figs. 7, 8 

 (1862). 



Callosune pallene, Kirby, Syn. Cat. p. 504. n. 50 (1871). 



Mozambique. 



61. Teracolus nouna. 



Anthocharis nouna, Lucas, Expl. Alg. Zool. iii. p. 350. n. 14, pi. 1. 

 fig. 2 (1849). 



Callosune nouna, Kirby, Syn. Cat. p. 503. n. 39 (1871). 

 Algeria. 



62. Teracolus liagore. 



Pontia liagore, Klug, Symb. Phys. pi. 6. figs. 5-8 (1829). 

 Anthocharis liagore, Boisduval, Sp. Gen. Lep. i. p. 580. n. 33 

 (1836). 



Callosune liagore, Kirby, Syn. Cat. p. 503. n. 42 (1871). 

 Arabia. 



63. Teracolus ephyia. 



Pontia ephyia, Klug, Symb. Phys. pi. 6. figs. 9, 10 (1829). 

 Anthocharis ephyia, Boisduval, Sp. Gen. Lep. i. p. 580. n. 32 

 (1836). 



Callosune ephyia, Kirby, Syn. Cat. p. 503. n. 40 (1871). 

 Arabia. 



64. Teracolus lais, n. sp. 



S . Like the preceding species, but whiter, the orange patch o 

 primaries much more oblique and consequently shorter, not extend- 

 ing below the third median branch, but bordered internally by a 

 broader blackish band ; primaries with a well-defined discocellular 

 spot : below, the secondaries have a black-and-orange dot at end of 

 cell, the base of costa orange ; the black irrorations scattered all over 

 the wing, Expanse of wings 1 inch 4 lines. 



Orange River, S. Africa. Type, B.M. 



65. Teracolus halyattes, n. sp. (Plate VI. fig. 8.) 



S . Wings above white, primaries with an orange apical patch, 

 more or less excavated internally, enclosed by a black border, and 

 crossed by blackish veins ; base blackish ; a more or less defined 



Proc. Zool. Soc— 1876, No. X. 10 



