E4^^] Num. if(S. 
PHILOSOPHIGAL 
TRANSACTIONS. 
Feb. zo. l6^. 
The CONTENTS. 
/ Jn introdu^ory Effay to he DoBrine of founds containing 
fome propofals for the improvement of Acoufticks, as it 
-was prefenteAto the Society <?/Dubliii Nov. i2. id8i.^j 
the ^ightJRjvereftd Father in GodNsiVC\S\ii LordBi/hop of 
Ferns andLQighhn, 2. Certain ohfervations of the Mid* 
land Salt-Springs^ in Worcelter-ftiire, Stafford- lliire^/^^ 
Cliefhirev the crude S^lt which grows from the Stone^ 
powder dejeBedby the [aid Brines in Boyling, Of the fpe- 
cific difference betwixt Sea-falt and Common- fait. Away 
( which feems to be ths true Method of Nature) of dijlilling 
Sw et ^;?^Frefh-water/r<?m Sea. water, the breath of 
SQ^i'i^l^ints growing in it. That this breath probably is 
the m^Litv'i^X caufe of the Trade or Tropic-winds. By 
th learned Martin Lifter Dr. o/Phyfick of thi Vniverjity 
^ Oxon. 3 An Account of the increafe of v^t'\g\\t in Oyl 
of Vitriol txpofed to the Air. In a Letter to the Publijher 
from William Gould M 5. and Fellow of Wadham CoU 
ledge Oxon. An account of a booj^ intitled Ricre^tione 
Dell occhio e della mente nell* Offervation delle 
Chiocciole, &c. DalP. FILIPPO BUON-ANNI inRo- 
ma per il VaJ'efa. 1 6 g i. in Quarto. 
F Alt 
