MAY. 121 



NEMEOBIUS LUCINA. Duke of Burgundy Fritillary. This, 

 which is the only British species of this genus, measures 

 about fourteen lines ; the upper surface is dark brown ; an- 

 terior wings with three series of light yellowish spots ; the 

 marginal row with a black dot in each ; the posterior wings 

 have also a row of yellow spots, with the margin similar to 

 that of the upper pair ; the under side is much paler, 

 marked with light spots and streaks of black ; the. hinder 

 wings have two pale bands, composed of oval marks, the 

 outer one edged with black. The caterpillar is long, oval, 

 and depressed, of a pale olive- brown, with a large black spot 

 on each segment ; it feeds on the cowslip and primrose. 

 The butterfly is rather local. 



LEPIDOPTERA. PAPILIONDXEJ. 



PONTIA. 



Generic Distinctions. See page 95. 



PONTIA BRASSIC.E. (Plate V.) Common Cabbage Butterfly. 

 The wings of this well-known insect are white above, with 

 a large patch of black on the tip of the anterior pair ; the 

 male has no other mark, excepting a black spot on the outer 

 edge of the secondary wings ; but the female has in addition 



