arises from the aurelia; of the Lepidoptera ordo, which 

 furnish them with a plentiful table in the wilderness. 



LETTER LXII. 



To THE HONOURABLK DaINES BaRRINGTON. 



As the swift or black martin is the largest of the 

 British hirundines, so is it undoubtedly the latest 

 comer. For 1 remember but one instance of its ap- 



W^f' 



Swifts. 



pearing before the last week in April ; and in some 

 of our late frosty, harsh springs, it has not been seen 

 till the beginning of May. This species usually ar- 

 rives in pairs. 



31 



