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^ (Numb. 325.) 
PHILOSOPHICAL 
TRANSACTIONS. 
I <* ' . 
For the Months of January, February, and March, 1710. 
The CONTENTS. 
I. A Difcourfe upon the Ufefulnefs of the Silk, of 
/ \ Spiders . By Monfieur Bon, Prefdent of the 
Court of Accounts, Aydes and Finances , and Prejrdent of 
the Royal Society of Sciences at Montpellier. Communi- 
cated by the Author . 
II. An Account of the Moons Eclipfe , Feb. 2. 1709-10. 
obferv'd at Streatham near London, and compared with 
the Calculation. By the Rev . Mr H. Crefiener, M. A. 
Fellow of the Royal Society . . 
III. A Letter from Mr Anthony Van Leeuwenhoek, 
F. R. S- containing fome Microfcopical Obfervations up - 
on the Cryjlallized Particles of Silver dijfolved in Aqua 
fords. 
IV. A Letter from Dr. Archibald Adams to Dr. Hans 
Sloane, R. S. Seer, concerning the Manner of making 
Microfcopes , &c. 
V. An Abftratf out of a Letter from Dr. "W. Holbrooke 
of Manchefter, to Dr. W. Cole, Fellow of the College 
of Phyfitians in London 5 concerning Stones voided by 
Stoole. With Dr- ColeV Anfwer to the fame. 
VI. An Account of the Dijffeffion of a P erf on, who dyd 
of an Ulcer in the Right Kidney . By J. Douglas, 
M.D. F.R,S : 
VII. An Account of a Book,-, intituVd , Index Plantarum 
Horti Lugduno-Batavi, per Herman. Boerhaven. Lug - 
duni Batav. 1710. 8 vo. 
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