the Butterflies of the White Nile. 25 
Shortly, it may be said that the range of this butterfly 
in North East Africa extends from Luxor to Gondokoro. 
It is common at Aden, and Bennett took a specimen in 
Sokotra. Thrupp took it in Somaliland. It also occurs in 
Senegal. 
According to Bingham (4. vol. 1, p. 419) it occurs in 
Persia and Balichistan as well as throughout India and in 
Ceylon. This and the next species reach Hurope. 
22. Tarucus telicanus, Lang (= plinius, Fabr. = pulcher, 
Murray). 
Loat took a male near Kaka [Lat. 10° 40’ N.). In 1912 
I took a male at Hillet al-Nuweér [Lat. 8° 13’ N.] and in the 
same year took two specimens at Port Sadan. 
In 1909 I took one at Aswan, two at Luxor, and another 
as far north as Tel al-Amarna [Lat. 27° 37’ N.]; but though 
ranging in the Nile Valley from that latitude down to 
8° 13’ N., it would not appear to be common at any of the 
places named. 
Though the species is well known in Central and South 
Africa as well as at Aden, and is found in Northern India, 
I have no record from Somaliland or Sokotra. 
23. Castalius usemia, Neave. 
Mr. Neave’s types of this neatly marked little butterfly 
were taken in the Victoria Nyanza district. 
I was fortunate in securing a single example at the Rejaf 
wooding station [Lat. 4° 50’ N.]. 
24. Cupido cretosus, Butler. 
A female was brought home by the Swedish expedition 
from Renk [Lat.-11° 45’ N.]; concerning this Aurivillius 
remarks: ‘‘ This rare species was hitherto only recorded 
from Senegal and from Abyssinia.” The variety C. lactin- 
atus, Butler, has been met with in Somaliland. 
25. Catochrysops eleusis, Demaison. 
This little-known but very distinct “ Blue” was taken 
by the Rothschild party at Aswan, Wadi Halfa, and at 
Nakhila on the Atbara. I have myself met with it at 
Aswan, Abt Simbel, and Kharttim, but not south of the 
latter place. The Swedish expedition also found it at 
Kharttim. Its range in latitude would therefore appear 
