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139 



Physik. 



Paris, Acad. des Sciences. C. E, Tome CXIIL 1891. No. 5— 7. 



Daubree, Eecherches experimentales sur le role probable des gaz ä 

 hautes temperatures, doues de tres fortes pressions et animos 

 d'un moiiYement fort rapide, dans divers phenomenes geolo- 

 giques. 241. 



Schering E, Sur les inclinometres ä induction. 258. 



Ch^pentier A, Analyse chromoscopique de la lumiere blanche. 278. 



Paquelin, Sur un nouveau chalumeau ä essence minerale. 303. 



Roma, Soc, degli Spettroscopisti ital. Memoria 1891. No. 7. 



Ricco A, Protuberanze solari osservate nel R. Osservatorio dl Palermo 



nellanno 1890. 117. 

 Trouvelot L, Phenomene lumineux extraordinaire observe sur le 



soleil. 127. 



Immagini spettroscopiche del bordo solare di segnate a Roma e 

 Palermo nei mesi di Novembre e Dicembre 1888. Vol. XX. 

 Tab. CCLXI. 



London, Royal Society. Proceed. Yol. L. No. 302. 



Lodge 0, Experiments on the Discharge of Leyden Jars. 2. 

 Poynting H, On a Determination of the Mean Density of the Earth 



and the Gfravitation Constant by means of the Common Balance. 40. 

 Dines H, On the Pressure of Wind on Curved Yanes. 42. 

 Ayrton, Perry and Sumpner, Quadrant Electrometers. 53. 

 Thomson W, On some Test Gases for the Maxwell-Boltzmann Doctrine 



regarding Distribution of Energy. 79. 

 Crookes W, On Electrical Evaporation. 88. 



Wilde H, On the Influence of Temperatare upon the Magnetisation 



of Iron and other Magnetic Substances. 109. 

 Hopklnson J, Note on the Density of Alloys of Nickel and Iron. 121. 

 Heaveslde 0, On the Forces, Stresses and Fluxes of Energy in the 



Electromagnetic Field. 126. 

 Adams G, Comparison of Simultaneous Magnetic disturbances at 



several Observatories, and Determination of the Yalue of the 



Gaussian Functions for those Observatories. 129. 

 Burton J, Measurement of the Heat Produc. by Compressing Liquids 



and Solids. 130. 



Züvtch, Naturf, Gesellschaft. Yierteljalirssclirift. 

 Jahrgang XXXY. u. XXXYI. Heft 1. 

 Weilenmann, Ueber die Reibung. XXXY. 303. 



— Ueber die Fliehkraft. XXXY. 304. 



— Zur Gastheorie. XXXY. 306. 



— Potential eines Punktes in Bezug auf eine electrische Kugel. 

 XXXY. 316. 



Fritz, Gegenseitige Beziehungen der physikalischen Eigenschaften der 

 Körper. XXXYI. 47. 



