552 



INDEX. 



Sounding body, on a method of de- 

 tecting the phases of vibration in 

 the air surrounding a, 321. 



Sounds of different pitch, on the re- 

 lation between the energy and ap- 

 parent intensity of, 381. 



Spectroscopic reversion-telescope, on 

 the, 417. 



Spectrum, on the influence of pres- 

 sure on the lines of the;, 7G ; on 

 the distribution of heat in the, 104 ; 

 on the distribution of chemical 

 force in the, 422. 



Spottiswoode (Dr. W.) on optical 

 phenomena produced by crystals 

 submitted to circularly polarized 

 light, 69. 



Stokes (Prof.) on the law of extraordi- 

 nary refraction in Iceland spar, 316. 



Strutt (the Hon. J. W.) on Mr. 

 Moon's views on gaseous pressure, 

 64, 101 ; on the law of gaseous 

 pressure, 219 ; on Bessels func- 

 tions, 328 ; on the reproduction 

 of diffraction-gratings by photo- 

 graphy, 392. 



Sun, on a singular appearance of 

 magnesium in the chromosphere of 

 the, 159, 479. 



Sunlight, on the chemical efficiency 

 of, 307. 



Tacchini (M.) on a singular appear- 

 ance of magnesium in the chromo- 

 sphere of the sun, 159, 479. 



Tait (Prof.) on the dynamical theory 

 of heat, 240. 



Taylor (S.) on variations of pitch in 

 beats, 56. 



Thorpe (T. E.) on an improved form 

 of tilter-pump, 249. 



Tissues, on the nutrition of muscular 

 and pulmonary, 349, 443. 



Tomlmson (C.) on supersaturated 

 saline solutions, 223. 



Tribe (A.) on the decomposition of 

 water by zinc, 7'^^} on the atomic 

 theory, 121 ; on the action of oxy- 

 gen on copper nitrate in a state of 

 tension, 139, 



Trowbridge (Prof. J.) on the electrical 

 condition of gas-flames, 153. 



Vision, on recurrent, 526. 



Volcanic energy, on the origin and 

 cosmical relations of, 468. 



Water, on the decomposition of, by 

 zinc in conjunction with a more 

 negative metal, 7^* 



Webb (F. C.) on an electrical experi- 

 ment with an insulated room, 170. 



Weber (H.) on the lieat-conducting 

 power of iron and German silver, 

 481. 



Weber (Dr. H. F.) on the specific 

 heat of carbon, 251. 



Winter (G. K.) on the relation which 

 the internal resistance of the bat- 

 tery and the conductivity of the 

 wire bear to the maximum mag- 

 netizing force of an electromagnet 

 coil, 414. 



Wright (Prof. A. W.) on a simple ap- 

 paratus for the production of ozone, 

 156; on the action of ozone upon 

 vulcanized caoutchouc, 235. 



Zollner (F.) on the spectroscopic re- 

 version-telescope, 417. 



END OF THE FORTY-FOURTH VOLUME. 



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ALEEB ^ FLAMMAM, 



