African S-pccies of tlic Genus Acraca. 141 



and narrow black internervular arches. A thin black marginal 

 line from apex to anal angle. Black spots as follows : — A 

 median row of eight, the first in 7 near middle, second in G 

 nearer margin, tliird in 4 in a line with second nearly at right 

 angles to costa (very rarely a faint trace of a spot in 5), fourth 

 in 3 close to end of cell, fifth in 2 touching median and 

 nervule 2, sixth in Ic nearer margin, seventh in lb slightly 

 nearer base, eighth in la still nearer l)ase. A spot in 8 

 rather beyond the precostal, a transverse subbasal spot in 7, 

 one round and one transverse spot in cell, and one on upper 

 discocellulars. A subbasal spot in Ic, lb, and la, the second 

 of these nearer margin than the other two. A basal spot in Ic. 

 Fringes yellowish white. Head and thorax covered with reddisli 

 brown hair, abdomen black above, orange beneath, and with 

 whitish lateral spots. Claws unequal. 



9. Expanse about 62 mm. Ground-colour extremely variable, 

 rosy pink, warm sepia, or creamy white with a brownish basal 

 suft'usion. Markings as in ^ . The red form closely resembles 

 (J on both surfaces, the sejjia form has whitish spots on the himl 

 margin of h.-w. and on the underside the f.-w. apex, and the 

 ground-colour of the h.-w. are greenish ochreous. The whitish 

 form is almost without the brown basal suffusion on the under- 

 side and the ground-colour is like that of the upperside. 



A periphanes, f. beni. 



This form was described by Bethune-Baker as a new species 

 (l. c). It is characterised liy the absence of the subapical 

 black in the f,-w. The ^ i"^}' be of the sepia form, or 

 dull red. 



A. ptr'qjhanes, f. melaina. PI. Ill, f. 10 ((^). 



Differs from typical examples in having a heavy black basal 

 suffusion in both wings. The h.-w. margin is broad with only 

 a trace of pale spots, in the ^ it radiates into the discal area, and 

 in the 9 has a more regular though suffused inner edge and 

 is widest (about 4-5 mm.) at Ic and 2. The $ $ present the 

 same variations of ground-colour as the ^ ^ . 



A. periphanes, f. nmida. PI. V, f. 7 (^J). 



In this form the basal sufi'usion and h.-w. margin are as heavy 

 as in the melaimi form but the apices of f.-w. are not at all 

 or only slightly blackened, though the ends of the nervules 

 are distinctly black. The discal spots are usually larger than 

 in the type form. The $ $ present the same variations of 

 ground-colour as do those of the typical form. 



