218 POPULAR ENTOMOLOGY. 



decay, mingled with the tints of the verdure, already reminds 

 us of the approaching autumn, still much is to be enjoyed 

 before the lover of nature must exchange the evening 

 ramble for the fireside, and the book of nature for those 

 which will assist him in studying it more accurately another 

 year. This month produces one of the largest and most 

 beautiful of our diurnal Lepidoptera, the lovely Camberwell 

 Beauty, which is highly prized from the circumstance of its 

 appearance being periodical, the cause of which has not 

 been fully ascertained. " Until four or five years since, it 

 had not been seen for forty years, and was then very abun- 

 dant in many parts of the kingdom ; in 1819, a few were 

 taken in Suffolk, since which period it has not been seen/'*" 

 Other species, both Moths and Butterflies, appearing at 

 this time, are remarkable for their beauty and rarity ; these 

 will be mentioned in their proper places, and happy may 

 the young entomologist consider himself who can add a 

 specimen to his collection. Those who are poetically in- 

 clined will be induced, on seeing them, to quote the lines of 

 Mrs. Barbauld: 



" Lo ! the bright train their radiant wings unfold, 

 With silver fringed, and freckled o'er with gold ; 



* British Entomology. 



