LETTER XVII. 



To the same. 



SELBORNE, June i8/^, 1768. 



EAR SIR, On Wednesday last arrived your 

 agreeable letter of June the loth. It gives me 

 great satisfaction to find that you pursue these 

 studies still with such vigour, and are in such 

 forwardness with regard to reptiles and fishes. 



The reptiles, few as they are, I am not ac- 

 quainted with, so well as I could wish, with regard 

 to their natural history. There is a degree of dubiousness and 

 obscurity attending the propagation of this class of animals, some- 



