157 



Hare (Dr.) on a calorimotor for pro- 

 ducing ignition at a distance, 45. 



on volumeters, 46. 



on the aqueous slidin^-rod hy- 

 drogen eudiometer, 46. 



Harris (W. S.) on some phcenomena 

 of electrical repulsion, 19. 



Heart, on the gyration of the, 1 20. 



Henry (Di-. C.) on gaseous interfe- 

 rence, 54. 



Henslow (Prof.) on crystals of sugar 

 in Rhododendron ponticum, 106. 



Henwood(Mr.) on naval architecture, 

 130. 



Herapath ( W.) on the aurora borealis, 

 32. 



on arsenical poisons, 67. 



on lithiate of ammonia as a se- 

 cretion of insects, 70. 



, analysis of King's hath, Bath, 70. 



Hetling (W.) on anevp instrument for 

 removing ligatures, 1 24. 



Holoptychus nobilissimus, 94. 



Hope (Rev. F. W.) on the probahility 

 that some of the early notions of an- 

 tiquity were derived from ins?cts,99. 



Hopkins (W.)on certain points in phy- 

 sical geology, 78. 



Houston (Dr.), account of twin foe- 

 tuses, one of which without brain, 

 heart, lungs, and liver, 122. 



Hydrogen, new gaseous bicarburet of, 

 62. 



Inglis (Dr.) on the conducting powers 



of iodine, 66. 

 Interference, gaseous, 54. 

 Intensity, influence of height upon, 



30. 

 Iodine, conducting powers of, 64. 

 Isoclinal lines in Yorkshire, direction I 



of, 3J. 

 , direction of in England, 31. 



Johnston (Prof) on paracyanogen, 67. 

 Jones (W. C.) on the analysis of wheat, 

 74. 



Knox (Mr.) on the insulation of fluo- 

 rine, 77. 



Lardner (Dr.) on the effect of railroads 

 on intercommunication, 150. 



Lens, crystalline, after death, 16. 



Ligatures, new instrument for the re- 

 moving of, 124. 



Light, polarized, action of crystallized 



surfaces upon, 13. 

 Lignin, nitrogen in, 74. 

 Lithic acid, in the secretion of insects, 



70. 

 Liverpool, state of education in, 133. 

 Lloyd (Dr.) on the Marsiliacefe, 102. 

 Lloyd (Prof.) on the direction of the 



isoclinal lines in England, 31. 

 Logarithms, mnemonical, 38. 

 Lowe (Mr.) on crystals of iron pyrites, 



Lubbock (J. W.) on new empirical ta- 

 bles for finding the moon's place, 12. 



Macartney (Dr.) on the organ of voice 

 in the New Holland ostrich, 97. 



on the means of preserving ani- 

 mal and vegetable substances, 99. 



on the structure of the teeth, and 



account of their decay, 115. 



Machinery, application of electro-mag- 

 netism to, 24. 



M'CuUagh (J.) on the laws of dou- 

 ble refraction in quartz, 18. 



M'Gauley (Rev. J. W.), experiments 

 in electro-magnetism, in its appli- 

 cation as a moving power, 24. 



Magnetic force, terrestrial, on, 31. 



Magnetic intensity, terrestrial, influ- 

 ence of height upon, 30. 



Magnetical instrument, new, 28, 



Magnetism, terrestrial, instrument for 

 observing minute changes of, 33. 



Magnetometer, Scoresby's, 28. 



Man, on the weight, height, and 

 strength of, 38. 



Manchester, on the limestones and 

 strata of, 86. 



MarsiliacesB, observations on the, 102. 



Mathematics and Physics : — researches 

 in the integral calculus, 1 ; calculus 

 of principal relations, 4, 41 ; on the 

 doubtful algebraic sign in certain 

 formuljB of algebraic geometry, 5 ; 

 rules for constructing compensating 

 pendulums, 7 ; on new empirical ta- 

 bles'for finding the moon 's place, 1 2 ; 

 action of crystallized surfaces upon 

 common and polarized light, 13 ; po- 

 larizing structure in the crystalline 

 lens after death, 16; laws of dou- 

 ble refraction in quartz, 1 8 ; on po- 

 larization, 19; phfenomena of elec- 

 trical repulsion, 19; electro-mag- 

 netism as a moving power, 24; neAv 



