558 



INDEX. 



Iodoform, on the action of potash on, 

 302. 



Iron, on the action of, on waters, 48 ; 

 on the coercive power of pure, 80 ; 

 on the effects of magnetization on 

 the electric conductivity of, 469 ; 

 on the strength of alloys of, with 

 nickel, 486. 



Jago (J.) on ocular spectres, 545. 



Jennings (F. M.) on the lakes and 

 rivers of Damascus, 260. 



Jevons (W. S.) on the forms of clouds, 

 241. 



Joule (J. P.) on the intensity of light 

 during the recent solar eclipse, 305 ; 

 on an improved galvanometer, 432 ; 

 on the thermal effects of fluids in 

 motion, 477 ; on the thermal ef- 

 fects of longitudinal compression 

 of sohds, 538. 



Jupiter, on the satelhte system of, 

 206. 



Kraut (M.) on the occurrence of bu- 

 tyric and caproic acids in mineral 

 waters, 114. 



Lead-salts, on the decomposition of, 

 by the voltaic current, 78. 



Leckenby (J.) on the Kelloway's 

 rock of the Yorkshire coast, 484. 



Leconte (Dr. J.) on the influence of 

 musical sounds on the flame of a 

 jet of coal-gas, 235. 



Leucine, on a new source of, 125. 



Light, on the intensity of, during the 

 recent solar echpse, 305. 



, electrical, rotation of the, round 



the pole of an electro-magnet, 

 463. 



Lloyd (Rev. H.) on the direct mag- 

 netic influence of a distant lumi- 

 nary upon the diurnal variations 

 of the magnetic force at the earth's 

 surface, 192. 



Magnetic forces, on the diurnal va- 

 riations of the, 192. 



Magnetism, on the optical properties 

 develojjed in transparent bodies by 

 the action of, 409. 



Manchester Society, proceedings of 

 the, 486. 



Manganese, on the preparation of 

 metalhc, 112. 



Marignac (C.) on the relations exist- 

 ing between certain groups of cry- 

 stalline forms belonging to differ- 

 ent systems, 157. 



Marmot, on the torpidity of the, 488. 

 Matthiessen (Dr. A.) on the coercive 



power of pure iron, 80. 

 Medlock (H.) on the reciprocal ac- 

 tion of metals and the constituents 

 of well- and river-waters, 48. 

 Metals, on the reciprocal action of, 

 and the constituents of well- and 

 river-waters, 48 ; on the prepara- 

 tion of the, 113; on the electro- 

 dynamic quahties of, 469. 

 Miascite, on the nature of, 180. 

 Miller (Prof. W. H.), crj'stallographic 



notices by, 512. 

 Molybdenum, on the nitride of, 88. 

 Moore (J. C.) on a protrusion of Si- 

 lurian rock in the north of Ayr- 

 shire, 483. 

 Murchison (Sir R. I.) on the succes- 

 sion of rocks in the Northern High- 

 lands, 322. 

 Neuropteris, on a remarkable speci- 

 men of, 318. 

 Nickel, on the atomic weight of, 115 ; 

 on the effects of magnetization on 

 the electric conductivity of, 469; 

 on the strength of alloys of, with 

 u-on, 486. 

 Nitroform, on the preparation and 



properties of, 302. 



Nitrogen, on the aflinity of titanium 



for, 109; on the phosphide of, 113. 



Ocular spectres, observations on, 545. 



Ormerod (G. W.) on the rock-basins 



in the granite of Dartmoor, 484. 

 Owen (Prof.) on Zygomaturus tri- 



lobus, 403. 

 Oxindicanine, on the preparation and 



composition of, 188. 

 Oxygen, on the various conditions of, 

 24 ; on the influence of, on the 

 vital properties of the spinal cord, 

 nerves and muscles, 544. 

 Ozone, on the formation of isatine by, 



80; on the density of, 146. 

 Paget (J.) on the rhythmic motion 



of the heart, /O. 

 Pauh (M.) on phosphuret of nitrogen, 



113. 

 Perowskite, analysis of, 554. 

 Phillips (J.) on the gold-fields of 



Victoria, 401. 

 Phillips (Prof. J.) on estuary strata 

 in Shotover Hill, 75 ; on a fossil 

 fruit found in the Isle of Purbeck, 

 551. 



