Wetenschappen te Amsterdam" to Beijerinck 166 



F. Article published by Professor S. Hoogewerff on the occasion of the 

 silver jubilee of Beijerinck's professorship 170 



G. Address delivered by Professor G. van Iterson Jr. on March 16th, 

 1921 on the occasion of the seventieth anniversary of Beijerinck's 

 birthday 173 



H. Abstract from the lecture given by Beijerinck on the occasion of 

 his retirement from the chair at the "Technische Hoogeschool" 



on May 28th, 1921 180 



I. Speeches held by Professor G. van Iterson Jr. and by Professor 

 A. J. Kluyvcr on June 14th, 1927, on the occasion of the golden 

 jubilee of Beijerinck's doctorate 182 



J. Interview with Beijerinck published by Mrs. W. van Itallie-van 



Embden 190 



K. List of obituarv articles. 193 



