560 



INDEX. 



Solar system, on the mechanical 

 energies of the, 409. 



Sounds produced by the contact of 

 bodies having different temi)era- 

 tures, on the, 1. 



Spiller (J.) on a method of preserving 

 the sensitiveness of collocUon plates, 

 111. 



Stenhouse (Dr. J.) on the action of 

 bromine on nitropicric acid, 36. 



Stokes (Prof.) on recent investiga- 

 tions in the theory of light, 42. 



Strecker (A.) on the constitution of 

 quinine, 123 ; on the composition 

 of tannic acid, 157 ; on the artifi- 

 cial production of taurine, 236 ; 

 on some combinations of hydrar- 

 gyromethyle and hydrargyrajthyle, 

 238 ; on the artificial production of 

 cinnamon oil, ib. ; on hydrocyan- 

 aldine, 326. 



Styrone, on some properties of, 238. 



Sugar, on the action of the ferment 

 of madder on, 161 ; on the presence 

 of, in the cerebro-spinal fluid, 213. 



Sulphur, on red and black, 177. 



Sun's body, on the probable nature 

 of the, 24. 



Sun, on the distribution of tempera- 

 ture over the surface of the, 426 ; 

 on the age of the, 427- 



Sylvester (J. J.) on some new theo- 

 rems in arithmetic, 187 ; on Bur- 

 man's law for the inversion of the 

 independent variable, 535. 



Tannic acid, on the composition of. 



Taurine, on the artificial production 

 of, 236. 



Terebratulidae, on the anatomy of 

 the, 225, 541. 



Thermo-electricity, researches in, 62 ; 

 on the phsenomena of, in crystal- 

 line metals, 68. 



Thomson (Prof. W.) on the mathe- 

 matical theory of electricity in 

 equilibrium, 42; researches in 

 thermo-electricity, 62 ; on the me- 

 chanical energies of the solar sy- 

 stem, 409. 



Tones produced by the contact of 



bodies having different tempera- 

 tures, on the, 1. 



Topaz, 138. 



Turner (W.) on the chemieal compo- 

 sition of the cerebro-spinal fluid, 

 213. 



Tyndall (Dr. J.) on the vibrations 

 and tones produced by the contact 

 of bodies having different tempera- 

 tures, 1 ; on phsenomena connected 

 with the motion of liquids, 74. 



Urinary calculi, on the disintegration 

 of, by the lateral disruptive force of 

 the electrical discharge, 220. 



Urine, on the frequent occuiTcnce of 

 indigo in human, 233. 



Van Breda (M.) on the conductibihty 

 of liquids for electricity, 465. 



Vapours, on the elastic forces of, in 

 vacuo and in gases, 269 ; formulae 

 for the maximum pressure and 

 latent heat of, 530. 



Warburton (Mr.) on self-repeating 

 series, 234. 



"Water, on the electro-chemical de- 

 composition of, 237. 



Wertheim (G.) on the double refrac- 

 tion temporarily produced in iso- 

 tropic bodies, 241, 342. 



Williams (C. G.) on the presence of 

 pyridine among the volatile bases 

 m the naphtha from the bituminous 

 shale of Dorsetshire, and on the 

 fractional crystallization of plati- 

 num-salts, 209; on a method of 

 obtaining rapid adjustments with 

 Wollaston's goniometer, 430. 



Williamson (Prof.) on some new de- 

 rivatives of chloroform, 405; on 

 nitroglycerine, 548; on a new 

 phosphite of aethyle, ib.; on the 

 constitution of coal-tar creosote, 

 551. 



Wind, on the changes of, in a cyclone, 

 469. 



Woods (Dr.T.) on the probable nature 

 of the sun's body, and on a new 

 process for rendering collodion 

 more sensitive, 24, 213. 



Zinc, on the occurrence of, in the 

 vegetable organism, 156, 



END OF THE 



TH VOLUME. 



