^- PREFACE. 



Some few years ago Mr. Loudon wrote to me^ 

 in order to draw my attention to his Magazine 

 of Natural History ; and he added in his letter, 

 that he would feel obliged to me for any com,- 

 munication that I might send to him from time 

 to time at my convenience. 



I was preparing to set out for the Continent 

 at the time that I received Mr. Loudon's letter. 

 On my return home from Franconia, I did not 

 forget his application relative to the Magazine 

 of Natural History, I owe a debt of gratitude 

 to Mr. Loudon, for the very kind manner in 

 which he has always spoken of the Wanderings^ 

 and recommended that work to the public. 



I had learned, by mere chance, that a pro- 

 fessor in King's College had been applying to 

 A 2 



