264 
INDE X. 
E. 
Electrograph (Photo-), 111. 
Electro-Physiological Researches. — Fifth Series. Part I. Upon Induced Contractions, 231. 
Part II. Upon the phenomena elicited by the passage of the current through the nerves of 
a living animal, or an animal recently killed, according to the direction of the current, 234. 
• Sixth Series. Laws of the electric discharge of the Torpedo 
and other electric Fishes. Theory of the production of electricity in these animals, 239. 
Seventh and last Series. Upon the relation between the 
intensity of the electric current, and that of the corresponding physiological effect, 243. 
F. 
Fownes (George, Esq.). On the value in Absolute Alcohol of spirits of different specific 
gravities, 249. 
G. 
Galloway (Thomas, Esq.). On the Proper Motion of the Solar System, 79. 
Glaisher (James, Esq.). On the Amount of the Radiation of Heat, at Night, from the Earth, 
and from various bodies placed on or near the surface of the Earth, 119. 
Grove (W. R., Esq.). On certain phenomena of Voltaic Ignition and the Decomposition of Water 
into constituent gases by heat, 1. 
Supplementary Paper on the same, 17. 
H. 
Hearn (George Whitehead, Esq.). On the cause of the discrepancies observed by Mr. Baily 
with the Cavendish Apparatus for determining the mean Density of the Earth, 217. 
Heat, Radiation of, on the amount of the, at Night, from the Earth, and from various bodies 
placed on or near the surface of the earth, 119. 
M. 
Magnetic Declination, on the Diurnal Variation of the, at St. Helena, 51. 
Magnetical and Meteorological Instruments, on Photographic Self-registering, 111. 
Magnetism, influence of the permanent action of, on conducting bodies traversed by interrupted 
electric currents, 39. 
Magnetograph (Photo-), 113. 
Magnetometers and other Meteorological Instruments, on the Automatic Registration of, by Pho- 
tography, 59, 69. 
Matteucci (Signor Carlo). Electro-Physiological Researches. Fifth Series. Upon Induced 
Contractions, 231. 
Sixth Series. Laws of the elec- 
tric discharge of the Tqrpedo and other electric Fishes. Theory of the production of elec- 
tricity in these animals, 239. 
