KONINKLIJKE AKADEMIK VAN AVETENSClLVrrEN 

 TE AMSTKKDAM. 



PROCEEDINGS OF THE MEETING 

 of Saturday May 27, 1911. 



(Trnnslatcd from: Verslag van de gewone vergadering der Wis- en Natmirkijiidige 

 Afdeeling van Zaterdag 27 Mei 1911, Dl. XX). 



COIsTTEliTTS. 



P. Zekman : "Considciiitioiis concerning light radiation under tlic simnltiint'ous influence of 

 electric and magnetic forces and some experiments thereby suggested". (First part), p. '2. 



C. T. VAN Vai.kkmiukg : "The ojigin of tlic fibres of the corpus eallosuin and the psalterium". 

 (Communicated by Trof. L. Bolk), p. 12. (With 3 plates). 



L'. T. VAN Vai.kknhi'im; : "On the mesencephalic nucleus and root of tlic N. Trigeminus". (Com- 

 municated by Prof. L. Bolk), p. 2.5, (With one plate). 



.1. 'I'll. BoiiNWATKK: "Oil the action of C^xalyl chloride on amines and amides". (Communi- 

 cated by Prof. A. P. N. Puanciiimont), p. 42. 



P. VAN UoMnruoH: "Additive coni[)ouads of m. Dinitrobenzenc", j). 4G. 



J. P. VAN DF.ii Stok : "On the diurnal variation of the wind and the atmospheric piessure 

 and their relation to the variation of the gradient", p. 48. 



P. II. ScHOTJTE: "The pentagonal projections of tlic regular (ivcccll and its scmireguhu olF- 

 spring", p. 61. (With one plate). 



J. L. Hoorweg : "On the irritation-eficct in living organisms". (Communicated by Prof. II. 

 Zwaarde.maker), p. 71. 



J. J. van Laar : "On the solid state". VII. (Conclusion). (Communicattd by Prof. 11. A. 

 Lorentz), p. 84. 



A. W. K. DE JoNG: '"Action of sunlight on allocinnamic acid", p. 100. 



W. J. DE Haas: "Isotherms of diatomic gases and of their binary mixtures. VIII. Control 

 measurements with the vohiinenonictii". (Communicaied by Prof. II. Kamerlingii Oknes), 

 p. lUl. (With 3 plates). 



II. Kamerlingii Onnes: "Further expciiments with licjuid helium. 1). On the change of 

 electrical rtsistonce of pure metals at very low temperatures, etc. V. The disappearance 

 of the resistance of mercury", p. 113. 



11. Kamerlingii Onnes and A. Perrier: "Researches on mngnetism. III. On rara- and I)ia- 

 inagnetism at very low temperatures", p. 115. 



G. Grijn.s: "The permeability of red blood-corpuscles in physiological conditions, especially 

 for alkali and earth-alkali metals", p. 122. 



K. Martin: "Some considerations on the geology of Java", p. 123. 



Proceedings Royal Acad. Amsterdam. Vol. XIV. 



