KONINKLIJKE AKIDEMIE VAN WETENSCHAPPEN 

 TE AMSTERDAM. 



PROCEEDINGS OF THE MEETING 

 of Saturday June 27, 1914. 



Vol. XVII. 



President: Prof. H. A. Lorentz. 

 Secretary: Prof. P. Zeeman. 



(Translated from: Verslag van de gewone vergadering der Wis- en Natuurkundige 

 Afdeeling van Zaterdag 27 Juni 1914, Dl. XXIII). 



OOlSTTEIsrTS. 



Jan de Vries: "A triple invuhuion of the third class", p. 134. 



W. Kai'Teyn: "On the tunctions of Hermite." (Third part), p. 139. 



M. J. VAN UvEN: "The theory of Bravais (on errors in space) lor polydimeusional space, 

 with applications to correlation.' (Continuation). (Communicated by Prof. J. C. Kapteyn), 

 p. 150. 



M. J. VAN UvEN: "Conabination of observations with and without conditions and determination 

 of the weights of the unknown quantities, derived from mechanical principles." (Commu- 

 nicated by Prof. ,T.4.N de Vries), p. 157. ' 



F. A. H. ScHiiEiNEMAKERS : "Equilibria in ternary systems." XVI, p. 169. 



A. Smits and S. Postma: "The system ammonia-v/ater". (Communicated by Prof. J. D. van 

 DER Waals), p. 182. 



N. G. W. H. Beeger : "On Hermite's and Abel's polynomia." (Communicated by Prof. 

 W. Kapteyn), p. 192. 



Ernst Cohen: "The metastability of tlie metals in consequence of allotropy and its signi- 

 ficance for Chemistry, Physics and Technics". II, p. 200. 



Ph. Kohnstamm and K. W. Walstra : "Measurements of isotherms of hydrogen at 2to C. 

 and 1.5°.5 C." (Communicated by Prof. J. D. van der Waals), p. 203. 



K. W. Walstra: "The hydrogen isotherms of 20" C. and of 150.5 C. between 1 and 2200 atms." 

 ^Communicated by Prof. J. D. van der Waals), p. 217. 



D. J. KoRTEWEG : "The different ways of floating of an homogeneous cube", p, 224. 

 A. Wichmann: "On some rocks of the island of Taliabu (Sula-Islands)", p. 226. 



F. M. Jaeger and A. Simek: "Studies in the Field of Silicate-Chemistry". II. OntheLithi- 

 umaluminiumsilicates whose composition corresponds to that of the Minerals Eucryptite 

 and Spodumene, p. 239. Ibid III. On the Lithiumalumioiumsilicates, whose composition 

 corresponds to that of the Minerals Eucryptite and Spodumene. 'Continued), (Communi- 

 cated by Prof. P. van Rombcrgh) p. 251. 



E. Laqueur : "On the survival of isolated mammaliai; organs with automatic function", (Com- 



municated by Prof. H. J. Hamburger), p. 270. 



C. A. Crommelin : "Isothermals of monatomic substances and their binary mixture.'. XVI. 

 New determination of the vapour-pressures of solid urgon down to — 205*'." (Communi- 

 cated by Prof. H. Kamerlingh Onnes), p. 275. 



II. Kamerlingh Onnes : "Further experiments with licjuid helium. J. The imitation of 

 / an AMPi;RE molecular current or a permanent magnet by means of a supra-conductor", 

 (Cont.) p. 278. 



H. Kamerlingh Onnes: "Further ex])erirpeiits " ith li(iuid helium. K. Appeai'ance of bpgin- 

 ning parauiaguetic saturation", p. 283. 



iU 

 Proceedings Royal Acad. Amsterdam. Vol. XVll. 



