— ex XV — 



pannung an der gemeinscliaftlichen Trènnungsflàche von Flussig- 

 keilen und Gasen, und ùber die Bczialiuiig dicscs Einflusses zum 

 Ciigniard de la Toiiischon Zustaiid der Flùsssigkeiten. — Ger- 

 hardt. Zwei neu aufgefundene Leibnizische Manuscriple. — KiV' 

 chhoff. Ucber die von Tliukydides benutzlen Urkunden. — Kro-, 

 ■uecher. Bemerkungcn zu ciner Mittheilung von 29 Juli d. d. — 

 Siuder. Ueber die wàhrend der Reise S. M. Corvelte Gazelle uni 

 die Erde 1874-76 gesammelten Echinoiden. 



Moììdes (Lea) ; revue liébdomadaire des sciences ci de leurs 

 applications aux arts et à l' industrie, par M.'" 1' abbé 

 Moigno. - II Serie, T. LIV, n. 5. - Paris, 1881. 



*Natura (La), rivista di scienze fisiche e naturali, diretta 

 da L. Capponerà. - Voi. IV, n. I 1-12. - Firenze, dicem- 

 bre 1880. 



^ P/ii'osopliical Transaclioììs of Ihe Royal Socicli/ nf London. 

 Vu!. !7!,part l.-Lomlon, 1880 (coli' elenco de' suoi 

 membri). 



//. M. Leod and G. Si/denham Clarke. On the Determinr lion of Ihc 

 Rale of Vibration of Tuning-Forks. — W. E. Ayrlon and /. Vemj 

 The Coniaci Theory of Vollaic Action. — W. Bevan Lewis. Re- 

 searches on the Comparative Sliuclureof the Cortex Celebri. — 

 Warren De la Rue and Hugo W. Midler. Experimental Re- 

 searches on the Electric D;scharge with the Chloride of Silvor 

 Battery - P. Ili Tnbc-Potcnlial ; Potenlial al a Constant Distarne 

 and Various Piessures. — C. Nivoi. On the Conduction of Heat 

 in Ellipsoids of Revolntion. — Euri of Rosse. On some recent 

 Irnprovements made in the Mouqtings of the Telescopes at Biir 

 Caslle. — G. J. Romanes. Conciuding Observitions on the Loco- 

 niotor System of Medusae. — Cap. Noble and F. A. Abel. Rese- 

 arclies on Explosives - N. 2. Fired Gunpowdcr. — TV. Fan'. Eii- 

 glish Reproduction Tabie. — /. B. Laives anJ /. H. Gilbert. .Agri- 

 coltura!, Cotanical and Chemical Resulls of Experiments on the 

 Mixed Herbage of Permanent Meadow, conducted for mare thin 

 Twenly Years in succcssion on the .Saine Land. 



