< 88 > 
Vi. A Letter to Dr. Halley, Aflronomer Bjyal, 
3 J. S. Soc . in anfwer to fome ObieBions made to 
the Hi (lory of the Antiquity of the Venereal 
Difeafe. !By Mr. Beckett, Surgeon , F. 5 ^. S. 
VIL An Experiment to compare the Paris Weights , as 
they are now us'd at Paris, with the Englifh 
Weights. By the (Reverend J. T* Defaguliers, 
LL. D. F. % S. 
VIII. Some Remarks upon the Method of obferVing 
the differences of %ight Afcenfion and Declination 
ly Crofs Hairs in a Telefcope. By Dr. Edm. ' 
Halley, Aflr.^eg. R. S* S. 
IX. A Propofal for meafuring the height of (places, 
by help of the Barometer of Mr. Patrick, in which 
the Scale is greatly enlarged. By the fame. 
X. ObferVations upon the Variation of the Needle 
made in the Baltick, Anno 1720. By Mr. 
William Sanderfon. Communicated by Capt . 
Soame. 
XL An Account of a large Quantity of Alcalious 
Salt produced by burning rotten Wood. By 
Mr. Robie of Har ward College in Cam*! 
bridge, New-England. Communicated by the 
fyv. Mr. Derham, Prebendary of Windfor ? 
I. R. S. 
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