Vi CONTENTS. 
III. Account of a Series of Experiments, shewing the Ef- 
fects of Compression in modifying the Action a 
Heat. By Sir James Hall, Bart. = qk 
IV. Of the Solids of Greatest Attraction, or those which, 
among all the Solids that have certain Properties, 
Attract with the; greatest: Force ina given Direc- 
tion. By Mr Playfair. = - Page 187 
V. An Account of a very extraordinary Effect of Rare- 
faction, observed at Ramsgate, by the Reverend S. 
Vince. Communicated by Patrick Wilson, Esq. 245 
VI. Some Account of the large Snake Alea-azagur, (Boa 
Constrictor of Linnzus), found in the Province of 
Tipperah. Communicated by Mr James Russell. 249 
VII. Chemical Analysis of a Black Sand, from the River 
Dee in Aberdeenshire; and of a Copper Ore, from 
‘Arthrey in blaness 2D By Thomas Thomson, 
oe a Deane =o . - 253 
VIII. New Series for the Quadrature of the Conic Sections, 
and the Computation, of Logarithms... By Mr Wal- 
lace. ~ - - 06 & i099 1269 
IX. Remarks on a Mineral from Greenland, supposed to 
be Cr ystallised Gadolinite. By Thomas, Allan, 
“Esq: = = ‘ a = ne org 345 
3 
X. On the Progkbsa a Heut when \comiinunicated to 
Spherical Bodies anon their acai se y “Mr Play- 
fair. = Hoe HO MOLISE 3 ‘3 353. 
XI. 
