INDEX 



TO THE 



PHILOSOPHICAL TRANSACTIONS 



FOR THE YEAR 1834. 



A. 



Air disengaged from the sea, over the site of the recent volcano in the Mediterranean, some re- 

 marks in reply to Dr. Daubeny on the, 551. 

 Anions, what, 79. 

 Anode, meaning of the term explained, 78. 



B. 



Barlow (Professor), his letter to Mr. Dollond containing his formulae for constructing the con- 

 cave achromatic glass lens, &c., 202. 



On the principle of construction and general application of the negative 



achromatic lens to telescopes and eye-pieces of every description, 205. 



Barlow (Peter William, Esq.). An investigation of the laws which govern the motion of steam 

 vessels, deduced from experiments, 309. 



Bell (Sir Charles). On the functions of some parts of the brain, and on the relations between 

 the brain and nerves of motion and sensation, 471. 



Bernoulli (Daniel). Comparison of his theory with the results obtained by Mr. Whewell in 

 his observations on the empirical laws of the time and height of high water, S5. 



Brain, on the functions of some parts of, and on the relations between it and the nerves of motion 

 and sensation, 471. 



C. 



Cathode, meaning of the terra explained, 78. 



Cations, what, 79. 



Clairaut, his theory of the figure of the earth, 519. 



Concave achromatic glass lens, as adapted to a wired micrometer when applied to a telescope, 

 which has the property of increasing the magnifying power of the telescope, without increas- 

 ing the diameter of the micrometer wires, an account of, 199. 



D. 



Daubeny (Charles, M.D.). On the quantity and quality of the gases disengaged from the ther- 

 mal spring which supplies the King's Bath in the city of Bath, 1. 



