CARTEROCEPHALUS. 



221 



near the anal angle of the hind-wings may be a little 

 deeper ; the fringe is perhaps paler than in the last-named 

 butterfly. In general arrangement the ground-colour and 

 markings of H. comma resemble those of H. sylvanus, 

 but the contrast is greater and the spots are smaller, 

 so that the markings seem more distinct. There is 

 considerable difference however on the under-surface 

 (Fig. 262). H. comma has a much greyer ground-colour, 



Male. 



Female. 



HESPERIA COMMA. 



and is marked with very distinct, somewhat square 

 whitish spots. The black mark on the fore-wings dis- 

 tinguishes the male (Fig. 263) from the female (Fig. 264). 

 The antennae are hooked. 



Carterocephalus, Laderer. 



In Britain Carterocephalus is represented by one species 

 only. 



