550 



INDEX. 



Hunt (T. S.) on the formation of 

 gypsum and dolomites, 153. 



Hydraulic researches, IGl. 



Hyperbolic arcs, on the comparison 

 of, 461. 



Ice and glass, on some points of ana- 

 logy between the molecular struc- 

 ture of, 102. 



lodacetic acid, on, 54. 



Isonitropheuic acid, on, 128. 



Isopurpuric acid and salts, on, 131. 



Jolmson (R.) on the specific gravities 

 of alloys, 354 ; on the conductivity 

 of mercury and amalgams, 541. 



Kapnicite, ou the formula of, 400. 



Keller (M.) on the constitution of 

 scammony, 454. 



Kolbe (M.) on the constitution of 

 lactic acid, 286. 



Lactic acid, on the constitution of, 

 286. 



fermentation, on the nature of, 



203. 



Lamont (3.), notes on Spitzbergen, 

 153. 



Lanavicensis on a theorem in num- 

 bers, 281 ; on a theorem of M. 

 Bellavitis on the partition of ninn- 

 bers, 283. 



Lancaster (J.) on the sinking for coal 

 at the Shireoaks colliery, near 

 Worksop, 77- 



Langberg (Prof. C.) on the influence 

 of capillary attraction upon the 

 hydrometrical measurement of the 

 specific gravity of liquids, 113. 



Lieben(M.) on chlorinated ether,452. 



Liebig (Prof.) on the formation of 

 tartaric acid from milk-sugar, 453. 



Life-tables, on the construction of, 467. 



Light, on the theory of, 57 ; on the 

 determination of the diurnal amount 

 of, 91 ; on the influence of white, 

 of the different coloured rays, and 

 of darkness on the development, 

 growth, and nutrition of animals, 

 143 ; on the relation between the 

 direction of the vibration of, and 

 the plane of polarization, and on its 

 determination by means of diffrac- 

 tion, 186, 426; on the luminous 

 effects ])roduced by the action of, 

 upon bodies, 524. 

 Lyell (Sir C.) on the submarine origin 

 of Tencriffe and othervolcanic coucs 

 in the Canaries, 20. 



Magnet, on the action of the, on the 



electric current, 1 . 

 Magnus's (Prof. G.) hydraulic re- 

 searches, 161. 



Mallet (J. W.) on brewsterite, 219. 



Manganese, on the equivalent of, 268. 



Matteucci (C.) on some new experi- 

 ments in electro-physiology, 398 ; 

 on the electric properties of insu- 

 lating or non-conducting bodies, 

 533. 



Matthiessen (Dr. A.) on the action of 

 nitric acid and of manganese and 

 sulphuric acid on the organic bases, 

 136 ; on the specific gravity of 

 alloys, 540. 



Mercuric ethyle, on, 383. 



Mercury, on the conductivity of, 54 1 . 



Merrifieid (C.) on the comparison of 

 hyperbolic arcs, 461. 



Metasilicates, on, 369. 



Meteoric stone of Kaba, on the or- 

 ganic substance in the, 160. 



Methylic alcohol, on the action of 

 bromine and chlorine on, 451. 



Miller (Prof. W. H.) on the employ- 

 ment of the gnomonic projection of 

 the sphere in crystallography, 37. 



Moon, on traces of eruptive action in 

 the, 80. 



Mud-volcanos, on the so-called, of 

 Turbaco, near Carthagena, 475. 



Murchison (Sir R. L) on the crystal- 

 line rocks of the North-west High- 

 lands, 476. 



Muscular action from an electrical 

 ]ioint of view, on, 386. 



fibre, on the supposed acid re- 

 action of, 544. 



Nachbaur (M.) on a new base result- 

 ing from the action of acetate of 

 lime upon prussian blue, 133. 



Newman (Prof. F. W.) on the higher 

 theory of elliptic integrals, .394. 



Nickel, on the equivalent of, 272. 



Ninapht3lamine and salts of, on, 69. 



Numbers, on a theorem in, 28 1 j on 

 the partition of, 283. 



Odling (W.) on ortho- and meta- 

 silicates, 369. 



Optical surfaces, description of va- 

 rious processes made use of for 

 finding out the configuration of, 

 157. 



Organic bases, researches on a new 

 class of, 6S ; on the action of nitric 



