( ) 
Numb.j 44, 
PHILOSOPHICAL 
TRANSACTIONS. 
For the Months of fane, faly and Auguft, 1715. 
The C O N T E N T S. 
I. Experiment* Barometric* pro varia diverfi Aeris Elaftici - 
fate exploranda, in variis Helvetia locis, &c. 4 johannc 
Jacobo Scheuchzero, M. D. Math. P.Tigurino & R. S. S. 
II. Botanicum Hortenfe IV. Giving an Account of divers 
Rare Plants, Obfervedthe Uft Summer A. D, 1714. in fc - 
veral Curious Gardens about London, &c. By James 
Petiver, F. R.S. 
III . OBS ERVAT IOMES COELESTE S BR[- 
T A N N I C A, Grenovici in Obfervatorio Regio habits 
anno MDCCXIII. 
IV. An Account of an Experiment made by Dr. Brook Taylor 
ajjified by Mr. Hawkesbee, in order to di/cover the Law of 
the Magnetical Attraction. 
V. A fhort Account of the Caufe of the Saltnefs of the the Oce- 
an, and of the feveral Lakes that emitt no River r 3 with a 
Propofal , by help thereof, to difeover the Age of the World- 
Produced before the Royal Society by Edmund Halley, 
R S. Seer. 
Accounts of BOO KS. I. linear Perfpe&ive, or a Mew 
Method of reprefenting juflly all manner of ObjeCis, &c. By 
Brook Taylor, L. L. D. and R. S. Seer. 
II. DUCATUS LEOD 1 E MS IS, Or, The Topo- 
graphy^/ the ancient Town and Parifh of L E E D S and 
Parts adjacent, in the County of YORK, &c. By Ralph 
Thoresby, Efej; Fellow of the Royal* Society, London . 
U u I. 
