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* Journal d hygiène, cUmalologie, etc, publié par le doct. 

 P. De Pietra Santa. - Voi. V, u. 356-358. - Paris, 

 ^883. 



London (The), Edinburgh and dublin Philosophical Maga- 

 zine, and Journal of science. - Voi. XVI, n. 98. - Lon- 

 don, August 1883. 



E. Obach. Iinpioved Construction of the Mooable-coil Galvanoineter 

 for determining Current-strength and Electromotive Force in 

 Absolute Measure. — A. Tribc. The Inlluence of Current, Tem- 

 perHt.ure, and Strength of Electrolyte on the Area of Electrifica- 

 lion. — W. C. Rontgen. On the Ghange in the Doublé Refraction 

 of Quarz produced by Electricai Force. — Lewis Wright. Mica 

 Fihns and Prisius for Polarizing-Purposes. — D. J. Korteweg. On 

 a General Theorem of the Stability of the Motion of a Viscous 

 Fluid. — W. Ramsay. Ou the Criticai Point of Liquefiable Ga- 

 ses. — W. W. J. Nicol. The Molecular Volumes of Salt-Solutions. 

 — W. E. Ayrton. Note on the Measurement of the Electric Re- 

 sistance of Liquids. — /. D. Everrei. On M.*" Ferrel's Theory of 

 Atmospheric Gurrents. — A. Gray. On the Deterinination in Ab- 

 solute Units of the Inlensilies of Powerful Magnelic Fields. 



^Notizblall des Vereins fiir Erdkunde zu iJarmstadt des 

 Miltelrheinischen geologìschen Vereins. - IV Folge, 3 

 heft, n. 15. - Darmstadt, 4 882. 



^Picenlino (11)^ Giornale della R. Società economica ed or- 

 gano del Comizio agrario di Salerno. - Anno XXVI, 

 fase. G. - Salerno, giugno 1883. 



^Politecnico (li)., Giornale dell' ingegnere-architetto civile 

 ed industriale. - Milano, giugno 1883. 



*PoiijbiOlion ; revue bibliographigne universelle. - 

 Partie technique. - Paris, juillet 1883. 

 » littéraire. » » 



*Proceedings of the Academy of Naturai Sciences of Phila- 

 delphia- P. 1. - January to May 1883. 



