TERACOLUS. 135 



Expanse 1-3 inches. [Spnr. e.r Sliai/r Ol/ninnt, Aden, Fchrunrji 1895, Cripf. Nmse ; 

 E. -lA S/nn-jjf Coll.) 



Female. — Central area of the primaries creamy-white, the dark apical area much 

 more reduced than in the male, the orange spots somewhat yellower in colour, the 

 internal black line almost obsolete and replaced by a sulphur-yellow line, the black 

 posterior spot larger tlian in the male, and showing a slight connection with the 

 hind-margin, the faintest of grey speckling visible along the inner margin. Secondaries 

 creamy-white, the black apical and nervular spots much smaller on the hind-margin ; 

 the grey slniding near the discal area also fainter than in the male. 



Underside. — Similar to that of the male, the ground colour of both wings somewhat 

 yellower, the green shading being almost absent. 



Expanse r3 inches. [Spec, ex Aden, 1894,' Miis. BofhscJiild.) 



The " intermediate " form of the male has the ground colour of both wings entirely 

 sulphur-yellow ; the orange-red spots on the primaries larger ; the grey shading along 

 the inner margin rather more strongly indicated. The underside does not differ from 

 that of the " wet-season " male described above. 



Expanse I'o inches. {Spec, ex Haithalhim, April 1884; Col. Yerhnrjj ; J//a<?. Brit. 

 Type of T. ■<iwin/ioei, Bidler. ) 



" Dry-season " form of Male. — Primaries white, relieved by a brilliant orange- 

 yellow patch on the apical area, the costal- and hind-margins narrowly edged with 

 black to as far as the first median nervule. Secondaries entirely white, the nervules 

 terminating in minute brownish spots on the hind margin. 



Underside. — Central area of the primaries white, the apical area sandy-buff crossed 

 by a band of deep orange-red. Secondaries ivory-white, the usual orange costal 

 streak and discoidal spot visible. 



Expanse 12 inches. (Spec, ex Aden, 1894; Mus. Botlisc/iild.) 



" Dry-season " form of Female. — Central area white, the apical area orange- 

 yellow, crossed by a thin line of dusky brown ; the apex and hind margin, to as far as 

 the first median nervule, brownish-black. Secondaries white, the nervules terminating 

 in brownish spots on the hind margin. 



Underside. — Ground-colour white, the apical area sandy-buff with a distinct band 

 of orange-red; an almost obsolete spot near the posterior angle. Secondaries sandy- 

 butt', with the usual orange costal streak and disco-cellular spot ; a dusky spot at 

 the end of the costal nervure, as well as a duskj^ line across the median nervules, 

 indicating a broken discal line, the nervules terminating in minute black dots on the 

 hind-margin. 



Expanse l"2 inches. {Spec, ex Lahej, Aden ; December 1894, Col. Yerhury ; Mus, 

 Jirit. Type of T. suxetts, Sivinhoe ?.) 



