XX! II — 



some Propcrties of the Aether. — Rayleigh. On the. Theory of 

 Illuniination'' in a Fog. — A Monochroinatich Telescope, with 

 application to Photometry. — On the Seat of the Electromotive 

 Forces in the Voltale Celi. — 0. /. Lodge. Note ori a slight 

 Error in the customary Specification of Termoelectric Currenl- 

 direction, and a Query with regard to a point in Therrnodina- 

 mics. — On the Identity of Energy, in connection with Mr. Poyn- 

 ting's Paper on the Transfer of Energy in an Electromagnetic 

 Field; and on the two Fundaraental Forms of Energy. — On the 

 Paths of Electric Energy in Voltaic Circuits. — W. W. J. Nicol. 

 On Supersaturation of Salt-Solutioas. — Malcolm. On Binocu- 

 lar Glasses adjustable to Eyes having unequal Focal Lengths. — 

 A. W. Rucker. On Ihe Self-Regulation of the Compound Dyna- 

 mo. — F. Braun. On the Therrnoelectricity of Molten Metals. — 

 /. W. L. Glaisher. On the Expression for the-Complete Eiliptic 

 Integrai of the Second Kind as a Series proceeding by Sines of 

 Multiples of the Modular Angle. 



London (The) Edinburgh and Duùlin etc. - Voi. 20, n. 123. 



— London, August 4 885. 



L. Henry. The Polymerization of the Metallic Oxides. — /. Buchanan. 

 On the Thermoelectric Position of Carbon. — /. A. Fleming. On 

 the Use of Daniell's Celi as a Standard of Electromotive Force 



— On Molecular Shadows in Incandescence Lamps. — /. D. Da- 

 na. Origin ol Goral Reess and Islands. — /. H. Gladstone. On 

 the Specific Refraction and Dispersion of Light by the Alurns. 

 Ch. Tomlinson. On the Bleaching of Jodide of Starch by means 

 of Heat. — W. de W. Ahney, The Production of Monochroma- 

 tic Light, or a Misture of Colours, on the Screen. — W. Su- 

 therland. Mechanical Integration of the Produci of two Func- 

 tions. — Shelford Bidivell. On the Sensitiveness of Selenium to 

 Light, and the Development of a similar Property in Sulphur. 



— /. A. Groshans. On a New Law, analogous to those Known 

 under the naines Law of Avogadro and Law of Dulong and Petit. 



*Magnetische und Meteorologische Beobachlungen der K. 

 Sternwarte zu Prag im Jahre ^884. - 45 Jahrgang. - 

 Prag, >I885. 



(Continua.) 



Tomo IV, Serie VI. e 



