KONINKLIJKE AKADEMIE VAN WETENSCHAITEN 

 TE AMSTERDAM. 



PROCEEDINGS OF THE MEETING 

 of Saturday January 25, 1908. 



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

 Afdeeling van Zaterdag 25 Januari 1908, Dl. XVI). 



ooiirTE2vra?s. 



J. BoEKE and G. J. de Groot : "Physiological regeneration of neurofibrillar endnets (tactile 

 discs) in the organ of Eimer in the mole". (Communicated by Prof. G. C. J. Vosmaer), p. 452. 

 (With one plate). 



J. Stein, S. J.: ";3 Lyrae as a double star". (Communicated by Prof. H. G. van de Sande 

 Bakhuyzen), p. 459. (With one plate). 



P. H. Schoute: "The section of the measure-poly tope M of space Sp with a central space 

 Sp perpendicular to a diagonal", p. 485. (With one plate). 



Mrs. A. Boole Stott and P. H. Schoute: "On five pairs of four-dimensional cells derived 

 from one and the same source", p. 499. 



J. A. Barrau: "The analogon of the €ƒ. of Kummer in seven-dimensional space". (Com- 

 municated by Prof. D. J. Korteweg), p. 503. (With one plate). 



J. J. Blanksma: "On the constitution of Van Geuns' oxymethyldinitrobenzonitrile". (Com- 

 municated by Prof. A. F. Holleman), p. 509. 



W. VAN Bemmelen: "Registration of earth-currents at Batavia for the investigation of the 

 connection between earth-current and force of earth-magnetism". (Communicated by Dr. J. P. 

 VAN DER Stok), p. 512. (With one plate). 



Erratum, p. 533. 



31 



Proceedings Royal Acad. Amsterdam. Vol. X. 



