<Jancf- rnartin 



LETTER XX. 



To the same. 



SELBORNE, Feb. z6t6, 1774. 



|EAR SIR, The sand-martin, or bank-martin, is 

 by much the least of any of the British hirundines, 

 and, as far as we have ever seen, the smallest 

 known hirundo, though Brisson asserts that there 

 is one much smaller, and that is the hirundo 

 esculent a. 



But it is much to be regretted that it is scarce 

 possible for any observer to be so full and exact as he could wish in 

 reciting the circumstances attending the life and conversation of this 

 little bird, since it \sfera naturd, at least in this part of the kingdom, 

 disclaiming all domestic attachments, and haunting wild heaths and 



