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LETTER II. 



Rio Demerary, Aug, 15* 1766, 



Dear Brother, 



TH E difagreeable circumftances 

 which lately occurred in my 

 private fituation, and of which 

 I a few days fince wrote you an ac- 

 count, being now happily removed, \ 

 am permitted to refu.me the fubje£t of 

 Natural Hiftory, than which, perhaps, 

 there is no ftudy capable of affording 

 more rational pleafure to a cultivated 

 mind. Moft other fciences terminate 

 in doubt and uncertainty, and after ages 

 fpent in laborious refearches* we have 

 often the mortification to find? that we 



I 2 have 



