222 POPULAR ENTOMOLOGY. 



checks and counter-checks to remedy the fruitfulness of the 

 insect world ; first the Wasp, a great destroyer of Flies and 

 other insects, is prevented from becoming too numerous by 

 the Wasp-Beetle ; then, lest it should reduce their numbers 

 so as to interfere with their usefulness, this last is kept in 

 check by the A nomalon, which in its turn, that it may obey 

 the law, ' thus far shalt thou come and no further/ becomes 

 the prey of another devourer." The Mordellidce are all of 

 small size, and occasionally variegated in colour. 



LEPIDOPTERA. NYMPHALID^J. 



VANESSA. 



Generic Distinctions. See page 129. 



VANESSA ANTIOPA. Camberwell Beauty. This species 

 sometimes measures three inches ; the upper side of both 

 wings is a deep purplish-brown, having the appearance of 

 velvet, bounded externally by a broad band of velvet black, 

 in which is a series of large violet-blue spots ; beyond this 

 there is a cream-coloured border, slightly waved on the 

 inner side, and sprinkled with minute black spots ; the an- 

 terior border has two cream-coloured spots, and is mottled 



