Konmklijke Akademie van Wetenschappen 

 te Amsterdam. 



^.o^C-^^^-J^o 



o. ^ 



PROCEEDINGS 



OF THE 



SECTION OF SCIENCES. 



"V O L TJ nsZL' E V. 



(2ncl PART) 



AMSTERDAM, 



JOHANNES MULLER. 

 June 1903. 



