96 POPULAR ENTOMOLOGY. 



PoNTiA Eap^. Small White Butterfly. Upper surface 

 of tlie wings white, slightly inclining to Yellow ; the first 

 pair have a dusky spot at the tip, extending a short way 

 round the border; in the male there is one, and in the 

 female two, round spots on the disc ; the latter have also an 

 oblong patch behind ; the hinder wings have a black mark 

 on their anterior border. Beneath, the anterior wings have 

 two black spots ; the tip is yellow, as are the under wings, 

 and appears as if sprinkled with black spots ; on the an- 

 terior edge there is a streak of orange-yellow. Size about 

 twenty lines. The caterpillar is light green, with a pale 

 line on the back and a whitish streak on each side; it 

 feeds on the cabbage and turnip. There is a second flight 

 in July. 



PoNTiA METRA. Howard' s White, Colour entirely yel- 

 lowish-white ; base of the wings blackish, and the tip of 

 the anterior pair slightly suffused with brown ; in the male 

 there is a single, and in the female two dusky spots, which 

 are however sometimes wanting; hinder wings are wholly 

 white. Beneath, the tip of the upper wings is yellow ; the 

 hinder wings are also yellow, sprinkled with black points. 

 Prom twenty to twenty-five lines in size. There is another 

 brood in June ; it is common in the south. 



