KONINKLIJKE AKADEMIE VAN WETENSCIIAITEN 

 TE AMSTERDAM. 



IMM)ri^]EDlNGS OK TUK MEETING 

 of Friday April 24, 1903. 



-o«c» 



(Translated fKuii: Verslay van de gewone vei'gadei'ing der Wis- en Nalunrkundige 

 Al'deeling van Vrijdag 24 April l'J03, Dl. XI). 



OOnSTTElSTTS. 



C. A. LoBUY DE BiiUYN aiul C. L. JuNGitiS: "Diasociiition in and crystallisation from a solid 

 solutiun", p. 643. 



E. II. BiirHNEU: "The tranaformation of diphonyliüdoniiim iodide and cliluiide and its velocity". 

 (Commiiuicated by Trof. C. A. Lohhy de Bruyk), p. 646. 



J. J. Bi-ANKSMA: "Nitration of symmetrical dinitroanisol". (Communicated by Prof. C. A. 

 LoBKY UE Bkiyn), p, 650. 



J. H. BoKNEMA: "Two new mid-cambrian erratic-blocks from the Dutch diluvium". (Com- 

 municated by Prof. J. W. Mum,). P- 652. 



J. C. Kluyver: "An analytical expression for the j^reatcst common divisor of two integers", 

 p. 658. 



W. II. JiLHS: "On maxima and minima of intensity sometimes observed within the shading 

 of strongly widened spectral lines", p. 6G2. 



II. A. LoRENTZ: "On the emission and absorption by metals of i;iys of heat of great wave- 

 lengths", p. 666. 



G. VAN Itersun Jr.: "The decomposition of cellulose by aerobic micro-organisms". (Com- 

 municated by Prof. M. W. Belterinok), p. 685, (with one plate). 



The foliuwiiig' {)apers were read: 



Chemistry. — '' Dlssocmtlon in and rrj/sfaili.sation from a solid 

 soUUion' . Rj Prof. G. A. Loiun' dk 1>hlvn ;iii<l Mr. G. 1/. .Iungius. 



(Communicated iu the meeting of March 128, 1903). 



1( is jio Ioniser iieecysarv to l)e remiiKled of tiio jiiuilogy Itelwecii 

 li(liü(l iiiid solid solutio)is but it is still ;i matter of importance to 

 traee and iiivestigalc new instances of the similarity of tlie two 

 solntioJis. For this reason attention may he called to the following 

 phenomena and observations. 



The new phenomena relate to the interesting inlramolecular rear- 

 rangement discoxered bv Giamkian and Sii,hkr ') in which solid or 



1) Ber. 34. '2040 (190 1). 



44 



Proceedings Kuyal Acad. Amsterdam. Vol. V. 



