342 Mr. H. Eltringham's Monograph of the 



extremely variable that it is not always easy to find two 

 examples exactly alike. 



A. johnstoni f. confnsa. 



F.-w. brown black. The pale spots as in typical form but 

 white. H.-w. as in typical form but basal patch pale ochreous. 



The $ resembles the (^ . 



This is the commonest form of A. johnstoni and it is rather 

 unfortunate that the previous form should have become the 

 type since it is in reality a rather rare variety. A variety of 

 the confusa form has the h.-w. basal patch white as well as the 

 f.-w. sjiots. I have figured this form in Trans. Ent. Soc, pi. 1, 

 f. 13 (1911). 

 A. johnstoni f. flavescens. 



In this form the f.-w. spots are pale ochreous the same as the 

 h.-w. patch. 



A. johnstoni f. seminlhescens. 

 The f.-w. spots are white and the h.-w. j^atch is tawny yellow. 



A. johnstoni f. fnlvescens. 



The f.-w. is tawny yellow, the spots only a shade paler, and 

 there is a blackish apical and hind-marginal border. The 

 h.-w. is tawny yellow a little paler over the area which in 

 coyifiisa is pale ochreous. A more or less well-defined but 

 narrow blackish hind-marginal border. 



A. johnstoni f. octohaUa. 



The spots of f.-w. and basal patch of h.-w. are tawny yellow 

 instead of white and pale ochreous. 



A. johnstoni hutleri, subsp. 



Basal half of f.-w. purplish red with a slight blackish 

 suffusion at l)ase, beyond the red colour is a very irregular 

 band of rather tawny yellow its inner edge comparatively 

 straight as far as area 4, projecting sharply inwards in area 2, 

 and continued as a submarginal patch in 11) and sometimes 

 also in la. Below area 3 the outer edge of this band is often 

 much suffused. Beyond the band the apex and hind margin 

 are brown black. H.-w. basal patch white to dull pink 

 followed by a broad blackish hind-marginal band. 



The tawny yellow band in the f.-w. of this form is so vari- 

 ;able in shape that it is not easy to find two examples alike. 



The 9 resembles the ^, but may be rather larger and less 

 richly coloured. 



The larva of A. johnstoni has the body yellowish beneath 

 .and brownish black above, each segment with a ring of 



