INDEX. 
page 
Berthollet, M. His views of this substance not correct, 237 
Berzelius, M. His analysis of cast iron noticed, - 6 t 
Biot, M. His experiments with a prism, noticed, - 1 9 S 
Bows , prismatic , Considerations proving that there are two 
primary ones, a blue, and a red one, - - 151 
— Illustrations of the dependance of the streaks 
of both, upon the critical separation, - - 154 
Brande, Mr. William T. His observations on the effects 
ot magnesia, in preventing an increased formation of uiic 
acid ; with some remarks on the composition of the urine, 136 
- — His experiments on the jelly, 
found in the oviduct of the frog, and oviviviparous shark, 217 
Brinkley, Rev. Dr. John. Extract of a letter from, on 
the annual parallax of « Lyra, - 204 
C 
Calculus, urinary , on a new species of, - - 223 
Carrabori. His experiment upon the lucciole (lampyris 
italica) noticed, - 283 
Cavendish, Henry, Esq. His experiments on the defla- 
gration of mixtures of oxygene, hydrogene, and nitrogene, 
noticed, ----- 40 
Coloured concentric rings . Supplement to the first and second 
part of the paper of experiments, for investigating the 
cause of, between object glasses, and other appearances of 
a similar nature, - 149 
Colours , remarks on those supposed to be produced by thin 
plates, or wedges of a ir, - - - 153 
Compound , a singular one, obtained by combining oxymuriatic 
acid, phosphorus, and ammonia, - - 233 
Cruicksh ank, Mr. His experiments on oxymuriatic acid 
and hydrogene noticed, - - 235 
Curadau, M. His opinion of the composition of the bases 
of the fixed alkalies, controverted, - - 17 
D 
Dalton, Mr. John. His idea of the composition of the 
protoxides and neutral salts mentioned, - - 63 
— His ideas of definite proportions no- 
ticed, ------ 254 
D’Arcet, M. Elis experiments on potash and soda, men- 
tioned, 54 
Davy, Humphry, Esq. Elis Bakerian lecture. On some 
