KONINKLIJKE AKADEM1E VAN WETEiNSCUAl'i'ErN 

 TE AMSTERDAM. 



PROCEEDINGS OF TUK MEETINGS 

 of Saturday October 31, 1908. 



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

 Afdeeling van Zaterdag 31 October 1008, Dl. XVII). 



CO¥TE¥TS. 



P. Tesch: •"< >n the behaviour of fossil shells in water containing carbonic acid". [Commu- 

 nicated by Prof. S. Hoogewerff), p. 236. 



W. van 15kmmki.kn: "Eartheunent Registration at Batavia", f3rd Communication , p. 242. 



A. F. Hoi. i.K.MAN: "The nitration of toluene'', p. 248. 



A. F. IIoi.i.eman -. "The nitration of f>-chlorotoluene", p. 257. 



A. F. Hoi. i.K.MAN: "The quantitative estimation of the products of nitration of ;n-chloro- ami 

 w-bromobenzoic acid", p. 2fi0. 



J. M. Gekrts: "Contribution to the knowledge of the etiological development of Oenothera 

 Lamarckiana". '"Communicated by Prof. F. A. F. C. Wekt), p 2G7. 



A. K. M. Notoks: "About the independence of the electrocardiogram with regard to the 

 form-cardiogram". (Communicated by Prof. II. Zw.varukmak.eu , p. J7-T. (With one plate). 



P. II. Schotjte: "On groups of polyhedra with diagonal planes derived irom polytopes", p. 277. 

 (With one plate). 



J. A. Barkau: "On triple systems, particularly those ot thirteen elements'. (Communicated 

 by Prof. 1). J. KORTKWEG), p. 290. 



C. Winkler and 1). M. vak Londek: "About the function of the ventral group of nuclei in 

 the thalamus opticus of man", p. 295. (With one plate . 



( ). Postma: "On the kinetic derivation of the second Law of Thermodynamics". Communi- 

 cated by Prof. II. A. LoRENTZ), p. 303. 



.'. 1). van der Waals -Jr.: ■•< )n the law of molecular attraction for electrical double points' 

 (Communicated by Prof. J. 1). van der Waals), p. 315. 



J. 1). van der Wam.-: "Contribution to the theory of binary mixtures". X. p. .317. 



II. K.AMERLINOH Onkes and C. Braak : "On the measurement of very low temperatures. 

 XXI. ( >n the standardizing of temperatures by means ol honing points of pure substance?. 

 The determination of the vapour pressure of oxygen at three temperatures", p. 333. 



16 



Proceedings Royal Acad. Amsterdam. Vol. XI. 



