[ V ] 
CONTENTS 
T O 
VOL. LXV. Part L 
I. Tl^XTRACT^ of aLetterfrom Dr.Joh.nlngQi)ho\x{zy 
F. R. S. to Sir John Pringle, Bart, P. R. S. con- 
taining fome Experiments on the 'torpedo^ made at Leg- 
horn, January I773 (after having been informed 
of thofe by Mr. Walfh). Dated Saltzburg, March 27, 
1773. page I 
II. An Account of dkx)o Giants Caufezvays, or Groups of 
prifmatic bafaltine Columns^ and other curious vulcanic 
Concretions^ in Venetian State Italy; zvith fome 
Remarks on the CharaSiers of thefe and other Jimilar 
Bodies, and on the phyfical Geography of the Countries in 
zvhich they are found. Addreffed to Sir John Pringle,, 
Bart. P. R. S. by John Strange, Efq. F. R. S. p. 5 
III. An Inquiry to ^Poozv, zjvhat zvas the ancient Englifb 
Weight and Meafure according to the Lazjos or Statutes,, 
prior to the Reign of Henry the Seventh. By Henry 
Norris, Efquire. Communicated by Dr. Brocklelby, 
p. 48 
IV. The 
