INDEX 
TO THS 
PHILOSOPHICAL TRANSACTIONS 
FOR THE YEAR 1803. 
A pvg c 
AlR , atmospherical , on its absorption by water, - -37 
Alloys , experiments and observations on those of gold, - 43, 46 
Ambuscade, account of the sinking and recovery of the Dutch frigate 
so called, - - - - 321 
Annealing, its effects on gold, - - - 127 
Antimony , its effects on gold, - - 53, 93 
— - its effects on copper, 8$ 
Arc of the meridian , account of the measurement of, - 383 
— See Survey. 
Arragonite , remarks on, - - - 331 
Arsenic , its effects on gold, - 47, 93 
Astringent Vegetables , experiments and observations on, 233 
B 
Barbs , on the infusions of them, - 260 
Bingley, Mr. Experiments upon gold alloyed with tin, - 75 
Bismuth , its effects on gold, - - 66, 93, 104 
Bootis f, on its motion, - 372 
Bo urn on. The Count de. Observations on a new species of 
hard carbonate of lime ; also on a new species of oxide of iron, 325 
Budding , remarks on that operation, - - - 285 
Buds , on their formation in tuberous rooted plants, - 288 
c 
Calamine, chemical analysis of several kinds, - - 12 
— — from Bleyberg, analysis of, - - 12 
— from Somersetshire , analysis of, - - 15 
