122 POPULAR ENTOMOLOGY. 



two others on the upper wings, and a patch of the same 

 colour at their hinder margin ; on the under side the wings 

 are yellowish, the upper pair having two conspicuous black 

 spots on each ; the body and antennse are black. The 

 caterpillar is green, with a line of yellow on the back, and 

 one on each side ; the body is covered with black tubercles, 

 each with a hair in the centre. It consumes the cabbage, 

 brocoli, cauliflower, etc., and has been found on the turnip; 

 these vegetables would be entirely destroyed were it not for 

 the many enemies which prevent their increase ; small birds 

 devour immense numbers ; a titmouse will take half a dozen 

 to its nest in a very short time. In enclosed gardens, sea- 

 gulls with their wings cut are of infinite service, and poultry 

 of any sort will soon clear the ground of these destructive 

 little creatures. 



PoNTiA Chaeiclea. Early White Callage. This species 

 differs from the last in size and rarity, having been observed 

 in Hertfordshire and Derbyshire only. 



PoNTiA NAPi. Gree7i-veined White. Colour yellowish- 

 white, with the tip of the primary wings dusky, the male 

 having one, and the female two black spots nearly in the 

 middle of each ; the hinder pair are free from marks, except 

 the ordinary dusky spot on the anterior margin ; on the 



