the Butterflies of the White Nile. 41 
It occurs in the Victoria Nyanza district, Natal, Cape 
Colony, Sierra Leone, Lagos, South Nigeria, the Gambia 
district, the Cameroons and Angola. 
The White Nile specimens are very small and many 
of them have the orange-tip paler than in specimens taken 
further south. 
A male yielded a scent like Freesia. 
[ Teracolus omphale, Godart. 
The Swedish expedition sent home two Teracoli, a male 
and a female, one taken at Renk, the other at Kaka, in 
February. Aurivillius calls them 7’. theogone, Boisduval, 
the winter form of omphale. He adds that both the 
specimens are small, the male measuring 33 mm. in expanse, 
the female only 28 mm. 
I have not come across any other record of this species 
being taken on the White Nile, and did not myself meet 
with it anywhere in the Stdan. 
Odd specimens of the genus Teracolus are difficult to 
determine, and it seems reasonable to conjecture that the 
butterflies taken by the Swedes were not omphale, but 
perhaps the epigone form of evippe, or some other ad- 
mittedly White Nile species, such as achine, or evagore. 
Omphale occurs in Somaliland, though Peel did not 
come across it there; the two butterflies which Dr. Dixey 
(11. p. 15) so named, turn out, as he informs me, to be 
respectively an “intermediate” male of 7. evagore, Klug, 
and a wet-season female of 7. achine, Cramer. 
It has also been taken in Abyssinia and almost all over 
Africa south of the Equator. The Hope collection contains 
two specimens from the Gambia. 
In the absence of confirmatory evidence I exclude T. 
omphale from the White Nile list.] 
57. Teracolus daira, Klug. - 
The synonymy of this species also is puzzling. Not only 
is it sexually dimorphic, but the ground-colour of the 
female may be either white or ochreous. Klug stated that 
the types came “ex Arabia felici.” 
Dr. Dixey has carefully studied long series of this butterfly 
and a closely allied form from Aden, which he is convinced 
is quite distinct. While admitting that Klug’s male insect 
might well have come from Arabia, he asserts that no such 
