CONTENT vu 
XVI. Del modo dl render fenfibUifma la piu debole Eleiiricita fa 
Naturals, fia Artificials . By Mr. Alexander Volta, Pro - 
fefior of Experimental Pbilofophy in Como, &c . &c . ; commu- 
nicated by the Right Hon. George Earl Cowper, F. R. S . 
p. 237 
XVII. Abjlrad oj a Regfier of the Barometer , Thermometer, 
and Rain , at Lyndon, in Rutland, 1780. Thomas 
Barker, Efquire. . p. 281 
XVIII. Meteorological Journal kept at the Houfe of the Royal 
Society , by Order oj the Prejident and Council. p. 283 
APPENDIX. 
I. Account of a new Kind of Rain. Written by the Count di Gioeni, 
an Inhabitant of the 3 d Region of Mount Etna ; communicated 
by Sir William Hamilton, K. B. F. R. S. p. { 
II. Oj the Method of rendering very fenfible the weakejl Natural 
or Artificial Electricity . By Mr. Alexander Volta, Profs for 
of Expei imental Pbilofophy in Como, &c. &c. ; communicated 
by the Right Hon. George Earl Cowper, F. R. S. p. vii 
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