558 



INDEX. 



Iodobenzoic acid, on the formation 

 of, 226. 



Isethionic acid, on some derivatives 

 of, 47. 



Jervis (W. P.) on certain rocks of 

 miocene and eocene age in Tus- 

 cany, 240. 



.1 ours (T. It.) on Foraminifera from the 

 upper triassic clays near Derby, 85. 



Jones (T. W.) on the focal power of 

 eves for horizontal and vertical 

 rays, 480. 



Joule (Dr.) on the thermal effects of 

 fluids in motion, 552. 



Kalle (M.) on the action of chloride 

 of benzoyle on zincethyle, 522. 



Kirchhoff (Prof. G.) on the relation 

 between the radiating and absorb- 

 ing powers of bodies for light and 

 heat, 1 ; on chemical analysis by 

 spectrum-observations, 89. 



Kolbe (Prof.) on the constitution of 

 << organic compounds, 45 ; on isethi- 

 onic acid, 47 ; on the constitution 

 of bibasic acids, 48 ; on the con- 

 — -stitution of salicylic acid, 382. 



Kiindig (M.) on the action of chlo- 

 rine on valerianic aldehyde, 19.9. 



Lartet (E.) on the coexistence of man 

 with certain extinct quadrupeds, 

 239. 



Lautemann (M.) on salicylic acid and 

 its homologues, 382. 



Leaves, on the colouring matter of, 

 142. 



Le Roux (M.) on the phenomena of 

 heat which accompanies the vibra- 

 tory motion of bodies, 247. 



Light, on the relation between the 

 radiating and absorbing powers of 

 bodies for, 1 ; on the analogy of 

 sound and, 190; on the relation 

 between the direction of the vibra- 

 tion of, and the plane of polariza- 

 tion, 486' ; radiated by heated bo- 

 dies, on the, 534. 



Lime, on the heteromorphous condi- 

 tions of the carbonate of, 517- 



Liquids, on the laws of absorption of, 

 by porous substances, 364, 500. 



Lithium, on the spectrum reaction of, 

 96. 



Liver, on the saccharine function of 

 the, 224. 



Loir (M.) on the liquefaction of gases, 

 202. 



Lourenco (M.) on compound itinis 

 of glycol, 41 ; on some new poly- 

 ethylenic alcohols, 293. 



Lowe (G. C.) on the expansion of 

 metals and alloys, 230. 



Magnetic declination at Pekin, on the 

 solar-diurnal variation of the, 4(J9. 



force, on the interruption of the 



voltaic discharge in vacuo by, 74. 



phaenomenon, on a, 328. 



Magnetization, on the molecular 

 changes produced by, 458. 



Magnus (Prof.) on the conduction of 

 heat by gases, 510. 



Man, on the coexistence of, with cer* 

 tain extinct quadrupeds, 239. 



Margueritte (M.) on the formation 

 of cyanogen, 296. 



Marignac (C.) on the fluozirconates 

 and on the formula of zirconia, 87 ; 

 on the temperature of water in the 

 spheroidal state, 553. 



Matteucci (Prof. C.) on the electrical 

 phenomena which accompany mus- 

 cular contraction, 388. 



Matthiessen (Dr. A.) on the electric 

 conducting power of alloys, 63. ^ 



Maxwell (Prof. J. C.) on the dynami- 

 cal theory of gases, 21. 



Mercury, on the electric light of, 2-19. 



Merrifield (C. \V.) on approximation 

 to the integrals of irrational func- 

 tions, 446. 



Metal, on a new fusible, 403. 



Metals, on the expansion of, 230. 



Michel (M.) on alloys of aluminum, 



377. 



Millon (M.) on nitrification, 516. 



Mineral products formed by sublima- 

 tion in the eruption of Vesuvius in 

 1858, analysis of, 87. 



Mucic acid, on the products of fer- 

 mentation of, 380. 



Miiller (Dr. H.) on the resin of Ficus 

 rubiginosa, 225. 



Naphthaline, on the specific and 

 latent heat of, 488. 



Nerve, on the action of a galvanic 

 current on, 390. 



Nitrification, observations on, 516. 



Nordenskiold (M.) on the crystalliza- 

 tion of thoria, 378. 



Odling (Dr. W.) on acids and salts, 78. 



Organic compounds, on the constitu- 

 tion of, 45. 



Organo-metallic radicals, on the, 197. 



