i eee 
ART. Pag. 
VI. Obfervations on Thunder’ and Eleéricity, 
by EBENEZER M‘rarT, M. D. 189. 
VII. Some Phaenomena obfervable in foggy Wea- 
ther; by the fame. 197 
VIII. Of the Meafurcs of Scotland, compa- 
red with thofe of England, dy James 
GRay. 200 
Ix. A Differtation on the Sexes of Plants ; 
by CHARLES Aston, M. D. King’s Bo- 
tant in Scotland, Fellow of the Royal 
College of Pbhyficians, and Profeffor of Me- 
dicine and Botany in the Univerfity of E- 
dinburgh. 205 
X. Remarks on Chemical Solutions and Preci- 
‘ pitations by ANDREW PLUM™ER, M. D. 
Fellow of the Royal College of Phyfictans, 
and Profelfor of Medicine and Chemifiry in 
the Univerfity of Edinburgh. 284 
XIE. Experiments on neutral Salts, compound- 
ed of different acted Liquors, and alcaline 
Salts, fixt and volatile; by the fame. 315 
XIL. Experiments and Obfervations upon the 
Hartfell Spaw, made at Moffat 1750; 
and an Account of its Medicinal Virtues, 
fo far as they have hitherto been diftovered 
Srom 
