INDEX. 
Magnesian carbonate of lime , remarks on, 
Magnetical pyrites, analysis of, 
Magnets , proposal for trying different kinds, 
Metal , on a new one, found in crude platina, 
Metals , on two, found in the powder remaining 
solution of platina, - 
Mineral substances , on the various modes 
influence their formation, - 
Molecule , remarks on that word, 
Monocerotis, FI. 11, on its motion, 
Motion , remarks on, 
Muscular action , remarks on, 
Mushet , Mr. Table of the proportion of carbon in 
carburets of iron, - 
N. 
M. page 
48 
315, 320 
- 344 
419 
after the 
- 411 
of attraction which 
30, 37 
2 86 
the sub- 
384 
156 
20 
343 
Negroes , on their power of supporting heat, - 130, 133 
o. 
Oil , on its effects on the bodies of savages, - - 132 
Ophiuchi \, on its motion, - - - - 374 
Optics , physical , experiments and calculations relative to, - 1 
Orifices , on those found in certain poisonous snakes, - 70 
Osmium , name given to a metal found in platina, - - 416 
P. 
Palladium , remarks on the metallic substance so called, 419, 428 
Particles of bodies, supposed to be in continual motion, - 156 
Phosphuret of iron, remarks on, - - - 334 
Piscium, FI. 38 , on its motion, - - 376 
<*, on its motion, - - - - 384 
Planets, series to be used in determining their perturbations, 2 77 
Platina, on two metals, found in the powder remaining after 
its solution, - - - - 411 
on a new metal, found in crude platina, - 419 
Presents received by the Royal Society, from November 1803 
to June 1 804 . - - - '431 
Proust, Mr. Remarks on his account of the sulphurets of 
iron, - 327, 338 
Pyrites , common, analysis of, - - - 32 4 
magnetical, analysis of, - - 315, 320 
R. 
Ragstone, analysis of, - - 281 
Rainbows, supernumerary , remarks on, 8 
mdccciv. 3 L 
