KONINKLIJKE AKADEMIE VAN AVETEN8C1IAITKN 

 TE AMSTERDAM. 



PROCEEDINGS OF THE MEETING 

 of Saturday October 31, 1903. 



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

 Afdeeling van Zaterdag 31 October 1903, Dl. XII). 



C01i3"TE2srTS. 



J. D. VAN DKR Waai.s: "Tlie e(iiülibnum between ;i solid budy and a fluid phase, especially 

 in the neighbourhood of the critical state", p. 230. 



J. J. VAN Laau: "The possible forms of tlie meltingpoint-curve for binary mixtures of isomori)hous 

 substances." (2nd Communication). (Communicated by Prof II. W. Bakhiis RoozKnooM), 

 p. 244. (With one i)late). 



H. W. Bakhuis Koozeboom: "The phenomena of soliditication and transformation in the 

 systems NH4NO3, AgNOg and KNO3, AgNO;,", p. 2;-)'.». 



A. F. H01.LKMAN and J. Pottkr van Loon : "Tlie transformation of benzidine." p. 262. 



H. Rakkn: "The transformation of diphenylnitrosamine into p-nitrosodiphenylamine and its 

 velocity." (Communicated by Prof C. A. Lobry de liRtnN), p. 2G7. 



W. 11. Julius : "The periodicity of solar jihenemena and the corres|)onding periodicity in the 

 variations of meteorological and earthmagnetic elements, explained by the dispersion of light", p. 270. 



Hans Strahl: "The process of involution of the mucous membrane of the uterus of Tarsius 

 spectrum after parturition." (Communicated by Prof. A. A. W. HrBREcnr), p. 302. 



J. C. Kluyvkr: "Series derived from the series 2' ''- ", p. 305. 



m 



G. Grijns: "The Ascusform of Aspergillus fumigatus Fresenius." (Communicated by Prof. 

 F. A. F, C. Went), p. 312. 



W. van Bemmelen : "The daily Held of magnetic disturbance." (Communicated by Dr. J. P. 

 VAX DER StokJ, p. 313. 



J. II. BoNNEMA : "A piece of Lime-stone of the Ceratoiiyge-zone from the Dutch Diluvium." 

 (Communicated by Prof. K. Martin), p. 319. 



S. IIooGEWERFF and W. A. van Dori' : "On the compounds of unsaturated ketones and 

 acids", p. 325. 



Til. H. Behrens: "The conduct of vegetal and animal til)er.s towards coal-tar-colours", j». 325. 



The follow ijiii,' papers were read: 



Pioceedings Koyal Acad. .Amsterdam. Vol. VI, 



