1900.] INSECTS AJfD ARACHNIDS FROM SOMALILAND. 15 



The " intermediate " female shows in some respects an approach to 

 this condition, and the specimen just described may perhaps be 

 considered as an extreme "dry season" form, though this would 

 scarcely be expected in view of the recorded date. 



Teracolus omphale Grodt. 



Two specimens ; d & 2 ■ These were both caught at Hargaisa, 

 April 25-28, 1895. They are of the "intermediate" form, and 

 are smaller than the average size of the species. 



Teracolus phillipsi Butl. 



Teracolus phillipsi, Butl. Proc. Zool. Soc. 18S5, p. 772, pi. xlvii 

 fig. 11. 



Nine specimens; 6 o* , 3 $ . The males are all of the " wet 

 season" form; four were taken on July 4, 1897, at a pool in the 

 open plain of Eyk, in the Haud District ; the remaining two on 

 the dry plain of Edegan in the same district, on July 9, 1897. 

 Two " wet season " females were taken at Odewein, Haud, on June 

 21,1897; and a "wet" or "intermediate" female at Hargaisa, 

 April 25-28, 1895. 5 



Teracolus helvolus Butl. 



Teracolus helvolus, Butl. Proc. Zool. Soc. 1888, p. 94. 



Seven specimens; 5(J,2?. Pour males and one female at 

 Hargaisa, April 25-28, 1895. These are of the "dry season" 

 form. A " wet season " d 1 & 2 were taken in the river-bed 'at 

 Odewein, June 23, 1897, and at the pool of Eyk on July 4. 1897, 

 respectively. 



Teracolus heliocausius Butl. 



Teracolus heliocaustus, Butl. Proc. Zool. Soc. 1885, n 768 

 pi. xlvii. figs. 8 & 9. ' 



One male. Odewein, June 21, 1897. 

 Teracolus protomedia Kluo-. 

 One male. Sibi (West Somaliland), May 27, 1895. 

 Herp.eista melanarge Butl. 



Herprmia melanarge, Butl. Proc. Zool. Soc. 1885, p. 774. 

 Herpoenia iterata, Butl. Proc. Zool. Soc. 1888, p. 96. 



One male. Sibi (West Somaliland), May 27, 1895. A " wet 

 season " form. 



Belenois peeli, sp. nov. (Plate I. figs. 5 S , 6 $ .) 



Types ( 6* & 2 ) in Hope Museum, Oxford. 



Exp. al, S 50 mm., 5 52 mm. 



Male. Above white, with a pearly lustre at the base of the 

 wings as in B. gidica, B. abyssinica, &c, best marked iu the fore 

 wing. Costa of the fore wing with a very thin edging of black. 

 A black marginal spot at the termination of each of the following 



