f 99* ) Kumb. 
PHILOSOPHICAL 
TRANSACTIONS. 
For the Months of June, '^uly and Auguft, 1719* 
The CONTENTS 
I. \ N Ohjcrvation of the End of the Total Lunar 
Jf\ EcUfje on the ^th of March 1 718. ohfrved 
■near the Cape of Good Hope, fervtng to determine the 
Longitude thereof. With Remarks thereon By E. Halley, 
R. S, Seer. 
II. D. Jacobi Keill, Medicina. nuper DoLloris eruditiffmu 
De V iribus Cordis Epiflola. 
HI. An rtccount of fome Experiments relating to the Specifick 
Gravity of Human Blood, By James Turin, M. D. 
Fellovp of the College Phyficians, and^. R. S. 
IV. Bn account of the Sunk Lfland in Humber, fome Tears 
fince recover'd from the Sea., Being an Extract of a 
Letter Communicated to the Royal Society by John 
Chamberlayne, Efep^ R. S. S. 
V. A Way for Myopes to ufe Telelcopes Eye^Glaf- 
fes, an OhjeLL^Glajs alone becoming as ufeful to them^ and 
jometimes more, than a LLombination of GUffes. Commu’» 
micated to the Royal Society, by the Reverend J. T. DeC- 
aguiiers, LL. D. and F. R. S. 
VI tdlerc and accurate Tables for the ready Computing of the 
EcUpfes of the of Jupiter hy Addition only. 
By the Reverend Mr.]^mQS Pound, R S. S. 
9 o 
I. An 
