( S^SS 0 Numb, f I. 
TRANSACTIONS. 
The CONTENTS. 
A View Experiment of Mr. Boyle comermftg an Bffe&tfthQ 
Varying Weight of the Atmoffhere upon fame Bodies in the 
n>ater^ figgejiing a conjeQme , that the very Alterations of 
the Air in point of Weight may have confiderahle operations 
even upon mens Sicknefs or Healthy An extraS of fome 
Letters from Dr^ John Wallisto the fublifherj concerning 
the Sufpenfion of §uickftlver , weU purged of Air , much 
higher than the ordinary Standard in the Torricellian Ex* 
periment. An Account of two Booths : I. Ohfervatioms 
Topographicah Morale and Phyfwtogical, made in a Journey 
through part of Low CouDtries, Germaoy, Italy, and 
France^d"^. by John Ray, Fellow of the R.Sox:iety : tphere^ 
unto is added y A brief Account of KWilloughhy Efq% 
his Voyage through a great part of Spain, IT. Bcrohardi 
Vareni M. D, Geographia Generalis , au&a d^ illufirata ab 
Ifaaco Newtono J e Soc, Reg* An ladcx for the traUs 
of the Tear 1672. 
Ttltc i 
