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-yel- 

 low, mclining to red in some parts, with two small undulating 

 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. Ntmphalid^. 



ARGYNNIS. 



Generic Distinctions. — See page 159. 



Argynnis LATHONiA. Queeii of Sjmiu FiitiUar^. 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 the hinder margin, 



Q 



