AUGUST. 225 



anterior wings, is a blackish mark, with a faint-yellow cloud 

 beyond it, which is more clearly defined in the female, and 

 of a deeper colour ; the secondary wings are of a similar 

 hue to that of the superior pair, the projecting lobes being 

 marked with reddish yellow ; the under side is tawny- 

 yellow, inclining to red in some parts, with two small un- 

 dulating white lines edged with black. The caterpillar is 

 green, with yellow stripes on the back, and transverse rays 

 on the sides, of the same colour ; it feeds on the birch, 

 blackthorn, etc. The butterfly is not common. 



LEPIDOPTERA, NYMPHALIDJ:. 



ARGYNNIS. 

 Generic Distinctions. See page 159. 



ARGYNNIS LATHONIA. Queen of Spain Fritillary. 

 Surface yellowish-brown, with numerous black spots of a 

 rounded form beneath ; the primary wings are paler than 

 above, but marked in a similar manner, and having a few 

 silvery spots towards the tip ; the secondary wings are 

 ornamented with above twenty silvery spots unequal in 

 size ; seven of them of a semicircular shape form a row near 



Q 



