INDEX 
'I'O THE 
PHILOSOPHICAL TRANSACTIONS 
FOR THE YEAR 1818. 
A. 
Andrews (Thomas, M.D.). On the Heat disengaged during Metallic Substitutions, 91. 
B. 
Bakerian Lecture, 1. 
Baxter (H. F., Esq.). An experimental inquiry undertaken with the view of ascertaining whether 
any, and what signs of current Electricity are manifested during the organic process of Secre- 
tion in living animals, being an attempt to apply some of the discoveries of Faraday to 
Physiology, 243. 
Beechey (Captain F. W., R.N.). Report of Observations made upon the Tides of the Irish Sea, 
and upon the great similarity of Tidal phenomena of the Irish and English Channels, and the 
importance of extending the experiments round the Land’s End and up the English Channel, 
105. 
Belemnites, observations on some, and other Fossil Remains of Cephalopoda, discovered by 
Mr. R. N. Mantell, C.E., in the Oxford Clay near Trowbridge, in Wiltshire, 171. 
Belemnoteuthis, Phragmocone of the, 174. 
Brodie (Benjamin Collins, Esq.). An investigation on the Chemical Nature of Wax. I. On 
Cerotic Acid, a new acid contained in Bees’-wax, 147. 
II. On the Chemical Nature of a Wax from China, 159. 
C. 
Carbonic acid, action of light on the decomposition of, 212. 
Ceroten, 167. 
Cerotic Acid, 147, 14*9; distillation of, 154; from the saponification of wax, 164. 
Ether, 152. 
