128 DR. A. G. BUTLER ON BUTTERFLIES [Jan. 14, 



80. TERACOLUS IKFUMATUS, sp. n. (Plate VI. figs. 5, 6.) 



Nearest to T. arethusa, the male with a similar but less angular 

 orange or vermilion patch on the black apical area ; the costa 

 blackened almost to the base ; the spot at the end of the cell 

 larger, and a broad blackish streak along the inner margin as in 

 some females of T. arethusa ; the secondaries with a broad diffused 

 blackish border, running inward along the uervures ; base and 

 costa almost to apex broadly blackish ; body normal. Primaries 

 below not yellow at base, but more so at apex ; black discocellular 

 spot larger, a broad internal grey streak ending in a blackish 

 diffused spot : secondaries somew r hat greyish at base, costal orange 

 streak defined, black-dotted orange spot at end of cell larger ; 

 female with better-defined, though small, orange dashes on the 

 apical area than in most females of T. arethusa ; other black areas 

 extended, so as more nearly to repeat the pattern of T. gavisa $ , 

 but only the two apical white spots on the border of secondaries 

 large and well defined, the others small and greyish : below the 

 colouring throughout is clearer and brighter than in T. arethusa 

 and the primaries show a broad internal grey streak terminating 

 in a blackish spot ; the costal orange edging of the secondaries, as 

 in the male, is bright and sharply defined. Expanse of wings, <5 44 

 millim., 5 42 millim. 



J 2 , Henga, 24th, 26th, and 30th January, 1895. 



44 Dusky Orange-tip " (R. G.). 



We have long had a single female of this very distinct species in. 

 the Museum collection, from Niornkolo, Lake Tanganyika, obtained 

 in January 1890, and presented to the Museum by Alexander 

 Carson, Esq. 



81. CATOPSILIA FLORELLA. 



Papilio florella, Fabricius, Syst. Ent. p. 479 (1775). 

 $ , Nyankowa Mt., Nyika, April 10th, ] 895. 

 " Brimstone " (E. &). 



82. BELENOIS SEVERINA. 



Papilio severina, Cramer, Pap. Exot. iv. pi. cccxxxviii. Gr, H 

 (1782). 



d $ in coitu, Henga, "W. of Lake Nyasa, Jan. 22nd, 1895. 

 " Common black-bordered White " (E. (7.). 



83. BELENOIS MESENTINA, var. AGRIPPIXA. 



Pieris agrippina, Felder, Keise der Nov., Lep. ii. p. 173 (1 865). 



$ , Henga, Jan. 22nd ; Ngerenge, W. coast of Lake oSyasa, 

 Feb. 27th ; rf , Nyankowa Mt., 6500 feet alt., April 9th, 1895. 



rf, "Common White"; $, "Deep black-bordered White" 

 (E. C.\ 



The females show almost the deep yellow under-surface colora- 

 tion of the form to which I gave the name of B. auriyinea, but 

 [22] 



