MARMADUKE TUNSTALL, Efq. 
Dear SIR, 
T H E repeated favours You were fo kind to 
beftow upon me, in the compafs of a fhort 
acquaintance, and the zeal with which You promote 
the great caufe of Natural Hiftory ; encouraged me 
to prefix Your Name to this Publication, and give 
me an opportunity, thus publicly, to acknowledge 
the afli fiance Your benevolent and generous friend- 
fhip favoured me with. 
Nothing is left to me, but the fimple mention of 
thanks ; and my fincere wifhes for Your health, 
happinefs, and the enjoyment of every intellectual 
and moral bleffing. I am, with the trueft regard, 
j 
Dear SIR, 
your moft obliged, 
obedient, 
humble Servant, 
London, April 
z 4> 1 7 7 1 - JOHN REINHOLD FORSTER 
