( ^ss ) 
('Numb. 27 3 J 
PHILOSOPHIC AL 
TRANS ACTIO N& 
For the Month of Auguft, 1 701. 
The CONTENTS. 
I. A Letter from Dr Davics to Sir Charles Holt, 
containing a relation of a perfon who voided ma- . 
ny Hydatides by Vrine. 
Part of a Letter from Rome to Mr John Monro^ 
giving an account of what Books are Printed^ and 
now Printing in Italy- 
II. A Letter from Mr Antony van Leeuwenhoek, 
R. S. to Mr Chamberlainev concerning the 
caufes of the different tafies of\Waters^and edge of ) 
Razors, 
III. Part of a Letter from Mr Anthony Van Leeu* 
wcnhoek, K R. S. to the Publi/her, concerning 
fezeral Microfcopical obfervations. 
E eeeee A 
