550 



INDEX. 



Henfrey (A.) on the structure of the 



stem of Victoria regia, 151. 

 Hennessy (J. P.) on some demon- 

 strations in geometry, 417- 

 Henry (T. H.) on the composition of 



Wootz, or Indian steel, 42. 

 Henwood (W. J.) on a remarkable 



deposit of tin-ore, 538. 

 Herapath (Dr. W. B.) on the chemi- 

 cal constitution and atomic weight 

 of the new polarizing crj'stals pro- 

 duced from quinine, 186. 

 Huxley (T. H.) on the morphology of 



the Cephalous Mollusca, 385. 

 Hydrodynamics, on the principles of, 



438. 

 Infinitesimals, on the early history of, 



m England, 321. 

 Invertebrate animals, on the blood- 

 proper and chvlo-aqueous fluid of, 

 148. 

 Iron, on the occurrence of metallic, 



333. 

 Jerrard (G. B.) on the possibihty of 

 solving equations of any degree, 

 however elevated, 434. 

 Jones (T. W.) on the rythmical con- 

 tractility of the veins of the Bat's 

 wing, 385. 

 Joide (J. P.) on the thermal effects ex- 

 perienced by air in rushing through 

 small apertures, 481. 

 Kirkman (Rev. T. P.) on theorems in 

 the doctrine of combinations, 209. 

 Kupffer (A. F.) on the mechanical 



equivalent of heat, 393. 

 Lagrange (F. de) on a new arrange- 

 ment of the voltaic pile, 77. 

 Lamont (Dr.) on the decennial period 

 in the magnitude of the daily mo- 

 tion of the magnetic needle, 145. 

 Lefroy (Capt.) on observations of the 



aiu-ora boreahs, 59. 

 Lettsom (W. G.) on the occurrence of 



metalhc iron in fossil wood, 333. 

 Light, remarks on Lord Brougham's 

 experiments and observations on 

 the properties of, 1 ; experiments on, 

 230 ; on the change of refrangi- 

 bility of, 388 ; on Brewster's new 

 analysis of solar, 401. 

 Lowenthal (J.) on a new method of 

 precipitating oxide of tin and se- 

 parating it from other bodies, and 

 of combining it with silk, woollen 

 and cotton fabrics, 476. 



Madder, on the colouring matters of, 



472. . 

 Magnetic disturbances, on periodical 



laws discoverable in the meaneflfects 



of the larger, 232. 

 Magnetic needle, on the decennial 



period in the magnitude of the 



daily motion of the, 145, 219. 

 Magnetism, on the relation of, to the 



colour of bodies, 451. 

 Mahla (F.) on the peroxide of silver, 



318. 

 Malfatti's problem, researches con- 

 nected with Steiner's extension of, 



465. 

 Malic acid, researches on, 275. 

 Mallet (Dr. J. W.) on a new fossil 



resin, 261. 

 Matter, on the power of animated 



creatures over, 258. 

 Mechanical energy, on the dissipation 



of, in nature, 304 ; on the recon- 



centration of the, of the universe, 



358. 

 Merciu^, on the indirect bleaching 



power of, 238. 

 Metals, on the heat produced by the 



combination of, with oxygen, 375. 

 Meteor of the 12th Aug. 1852, ob- 

 servations on the, 236, 292. 

 Meteorological observations, 79, 152, 



159, 239, 319, 381, 399. 479. 

 Miller (J. F.) on the meteorology of 



the English Lake district, 152. 

 Mineralogical notices : — Childrenite, 



118; orangite, 156; seleretinite,261. 

 Mollusca, on the morphology of the 



Cephalous, 385. 

 Morgan (Prof. De) on the early history 



of infinitesimals in Eugland, 321 ; 



on indirect demonstration, 435. 

 Morgan (C. De) on the structure and 



develo])ment of bone, 467. 

 Mm-ray (J.) on the tides, bed and 

 coasts of the North Sea or German 

 Ocean, 466. 

 Muscle, on the spiral structure of, 81, 

 177. 



Napier (J.) on copper smelting, 45, 



192, 262, 345, 453. 

 Newman (J.) on a new evaporating 



gauge, 534. 

 Ozone, on the nature and name of, 



542 ; on the estimation of, 545. 

 Pasteur (M.) on aspartic and malic 



acids, 275. 



