40 



GATE-KEEPER. 



SPECKLED WALL. WALL BUTTERFLY. 



PLATE XVI. 



Klpparclda megcera, Ochsenheimee. Leach. 



" " Stephens. Curtis. 



JPapilio megera, Linnjeus. Lewis. Donovan. 



" " Sepp. Wilkes. 



Fapilio meegera, Hawoeth. 



Satyrus megcera, Lateeille. Boisduval. 



" " DUPONCHEL. 



Dira megcera, Hubnee. 



Papilio mcera, Beekenhout. Haeeis. 



Those wlio study wliat may with triitli be called the ^'Gay 

 Science" of entomology, derive a pleasure, which those who 

 devote themselves to mere amiisement form and can form no 

 conception of, and that, even from the inspection of those species 

 which present no striking attraction from the beauty of their 

 colours. Such is the fact with respect to the plain insect 

 before us. 



This Butterfly is to be seen flitting in its zigzag manner 

 along the banks which for the most joart it frequents, in July 

 and August. It is fond of settling on walls, whence one of 

 its English names, seeming to take delight in those situations 

 which are the most sheltered, and from which the most heat 

 is reflected. The shadow of your approach disturbs it, and 

 you see it flit off, and settle again at some little distance, or 

 continue its irregular flight along the bank. 



The caterpillar is found in the beginning of May, and also 

 in August. 



It feeds on different srrasses. 



