(**3 ) 
Numb. 197 
PHILOSOPHICAL 
TRANSACTIONS. 
For the Month of February, 1 6$\- 
The CONTENTS. 
I. O^Ome Experiments on a Hack fbining Sznd hr ought 
<!j from Virginia, fuppofed to contain Iron } made ly 
the late Dr. Alien Moulin, R. S- S. 2. A Paper of the 
Honourable Robert Boyle'j, late Fellow of the Royal So- 
ciety, heing an Account of his examining Waters as to 
Frejhnefi and Saltnefi ; together with an account of the 
Trials made of the fame at a Meeting of the Royal So- 
ciety, ly Hans Sioan, M. D. and S. R, S. To which u 
fubjoyned another Method of making fuch Difcoveries ly 
the help of a Particular kind of W ater. Poife, ly Ro- 
bert Hooke, M.D. and R. Soc. Soc, 3. Three Que- 
ries, concerning fome Shells, ufed in Medicine , pro- 
fofedly Mr. Samuel Dale, and anfwered ly Marty n Ly- 
fter,M. D. andR. Soc. S. with a Figure of the Shell yield- 
ing the Purple of the Ancients, 4. The Alflrati of a 
Letter from Mr. Aath. Van. Leeuwenhoek, R. S. S. to (he 
Royal Society, containing fome Microfcopical Oljervations 
on fmall Animal s> breeding on the out -fides of the Teeth ; 
and on the Scalinefi of the Scarf Skin, 5*. An Ac- 
G C*UMT 
