644 
INDEX. 
D. 
De Morgan (Augustus, Esq.). On a point connected with the dispute between Keil and 
Leibnitz about the invention of Fluxions, 107. 
De Saussure’s Theory of Glacier Motion, 157. Modifications of, 161. 
Diamagnetic body, 2. Metals, 50. 
Differential Equations ( Partial ) of the Second Order, investigation of an extensive class of, in 
which the equation of Laplace’s Functions is included, 133. 
E. 
Electric Currents, action of, on light, 9. 
Electricitij, Experimental Researches in. Nineteenth Series. On the Magnetization of Light 
and the illumination of Magnetic Lines of force, 1. 51 b Action of magnets on light, ibid. 
51 ii. Action of electric currents on light, 9. 51 iii. General conclusions, 15. 
Twentieth Series. On New Magnetic actions, and 
on the Magnetic condition of all Matter, 21. 51 i. Apparatus required, 22. 51 ii. Action of 
magnets on heavy glass, 24. 51 iii. Action of magnets on other substances acting mag- 
netically on light, 26. 51 iv. Action of magnets on metals generally, 29. 
Twenty-first Series. On New Magnetic actions, and 
on the Magnetic condition of all Matter — continued, 41. 51 v. Action of magnets on the 
magnetic metals and their compounds, ibid. 51 vi. Action of magnets on air and gases, 50. 
51 vii. General considerations, 52. 
Electro-Physiological Researches. Fourth Memoir. — The physiological action of the electric 
current, 483. 
F. 
Faraday (Michael, Esq., D.C.L.). Experimental Researches in Electricity. Ninet eenth Series, 1. 
Twentieth Series, 21. 
Twenty-first Series,41. 
Fluxions, on a point connected with the dispute between Keil and Leibnitz about the invention 
of, 107. 
Foraminifera, on the fossil remains of the soft parts of, discovered in the Chalk and Flint of the 
South-East of England, 465. 
Forbes (James D., Esq.). Illustrations of the Viscous Theory of Glacier Motion, 143. 
Part I. Containing experiments on the flow of plastic bodies, and 
observations on the phenomena of Lava Streams, 143. 
Part II. An attempt to establish by observation the Plasticity of Glacier 
Ice, 157. 
Part III. On the Motion of Glaciers and on the influence of Seasons, 177. 
G. 
Ganglia (Nervous) of the Uterus, 211. 
analogy which exists between the different collections of, 218. 
at the root of the inferior Mesenteric Artery, 217. 
Ganglion, Semilunar, 214. 
