INDEX. 



557 



Foucault (M.) on the employment of 

 induction apparatus, 403. 



Fremy (M.) on the fluorides, 53. 



Gardenia lucida, on the gum of, 64. 



Gases, on the endosmose of, 325. 



Geological Society, proceedings of 

 the, 68, 149, 482. 



Geometry, remarks on a system of, 

 45.9. 



Geuther (M.) on the products of di- 

 stillation of theTorhane Hill mine- 

 ral, 65. 



Glass, on a new method of silvering, 

 58. 



Glycerine, on the action of chloride 

 and bromide of phosphorus on, 536. 



Glycol, on the formation and consti- 

 tution of, 532. 



Glyoxylic acid and salts, on the pre- 

 paration and composition of, 362. 



Gold, on the possible origin of veins 

 of, in quartz and other rocks, 73. 



Gravatt (W.) on rotatory motion, 

 477. 



Griffin (Dr. F. W.) on the explosive 

 action of sodium on water, 78. 



Grimm (Dr.) on a new platinum salt, 

 301. 



Hamilton (Sir W. R.) on a new sy- 

 stem of roots of unity, 446. 



Hansteen (Prof.) on the secular 

 changes of the magnetical system 

 of the earth, 466. 



Harley (Dr. G.) on the condition of 

 the oxygen absorbed into the blood 

 during respiration, 478. 



Harris (Sir W. S.) on certain phseno- 

 mena of electrical discharge, 136; oil 

 Riess's law of electrical heat, 553. 



Harrison (A. A.) on the theory of heat, 

 399. 



Haughton (Rev. S.) on the density of 

 the earth, 50 ', on slaty cleavage, and 

 the distortion of fossils, 409. 



Hautefeuille (M.) on the presence of 

 mercury in the native argentiferous 

 copper of Lake Superior, 238. 



Hay ward (Mr.) on a direct method of 

 estimating velocities, 397. 



Hearder (J. N.) on a powerful form 

 of the induction coil, with some 

 new statical and thermal effects of 

 the induced current, 377^ 443. 



Heat, on the mechanical theory of, 

 75, 81, 103; on the application of 

 the mechanical theory of, to the 



steam-engine, 241, 338, 399, 426> 

 463 ; of chemical combinations, on 

 the, 65, 74, 155, 233, 321. 



Heat, electrical, on a law of, 322, 553. 



, specific, of simple bodies, on 



the, 489. 



Heddle (Dr.) on the Davidsonite of 

 Thomson, 386 ; on the new zeolite 

 from Skye, 552. 



Heintz (M.) on chloroform, 297; on 

 the action of chloride of sulphur on 

 formiate of baryta, 299. 



Hennessy (J. P.) on the theory of par- 

 allels, 283, 371, 452. 



Hennessy (Prof. H.) on the influence 

 of the earth's internal structure on 

 the length of the day, 99. 



Herschel (Sir J. F. W.) on slaty 

 cleavage and the contortions of 

 rocks, 197. 



Hofmann (Dr. A. W.) on insolinic 

 acid, 146; on some of the meta- 

 morphoses of naphthalamine, 226 ; 

 on a new class of alcohols, 309. 



Hoppe (M.) on heat as the equivalent 

 of work, Tb. 



Hunt (R.) on a peculiar power pos- 

 sessed by porous media of removing 

 matter from solution in water, 123. 



Hydrobromic acid, on the decompo- 

 sition of, 52. 



Ibbetson (L. L. B.) on the possible 

 origin of veins of gold in quartz and 

 other rocks, 73. 



Induction apparatus, on the employ- 

 ment of, 403. 



Induction coil, on new arrangements 

 ofthe, 337, 443,519. 



Insolinic acid, on the preparation and 

 constitution of, 146. 



Iodide of silver, on the behaviour of, 

 towards ammonia, 157. 



Iridium, on the specific heat and 

 atomic weight of, 494. 



James (Lieut.-Col.) on the mean spe- 

 cific gravity ofthe earth, 314. 



Jamin (M.) on the endosmose of 

 gases, 325. 



Joule (J. P.) on the heat absorbed in 

 chemical decompositions, 155, 321; 

 on Clausius's application of the 

 mechanical theory of heat to the 

 steam-engine, 385 ; on the thermal 

 effects of fluids in motion, 466. 



Kolbe, on a new method for the for- 

 mation of benzoic aldehyde, 192. 



