INDEX. 
page 
Draconis p, on its motion, - - - -364 
t, on its motion, - - - - 366 
E. 
Eridani, FI. 32, on its motion, - - - - 384 
F. 
Fagnani, remarks on his theorem, - - 225 , 554 
Fahlerz , remarks on, - 54 , 58 
Fishes, remarks on the swimming bladders of some of them, 19 
Fluids , on the propagation of heat in them, - - 23, 25 
Fringes of colours, remarks on, - 1 
Fur, remarks on garments made of it, - - - 180 
G. 
Geminorum u, on its motion, - - - - 353 
on its motion, - - - 365 
e, on its motion, - - - - 384 
Geology, remarks relating to, - - - - 279 
Glaciers of Chamouny , on a phenomenon observed on them, 23 
Glass, on its conversion into Reaumur’s porcelain, - 292 
Grindstones , method of making them with lac and corundum, 215 
H„ 
Hatchett, Charles, Esq. Analysis of a triple sulphuret, of 
lead, antimony, and copper, from Cornwall, - 63 
— • — — Analytical experiments and ob- 
servations on lac, - - - - 191 
An Analysis of the magnetical 
Pyrites ; with remarks on some of the other sulphurets of 
iron, - . - - - - 315 
Observations on the change of 
some of the proximate principles of vegetables into bitu- 
men ; with analytical experiments on a peculiar substance 
which is found with the Bovey coal, - 385 
Heat, on its propagation in fluids, - 23, 25 
on its nature and mode of communication, - - 7 7 
on the means of preserving it, - - - 177 
Herculis «, on its motion, - - - • 359 
— FI. 46 , on its motion, - - - 377 
