THIRD DAY THURSDAY, JUNE 25. 



PAGE 



VARIATION IN PLANTATION RUBBER 132 



Chairman: The President. 



Discussion : The President, Mr. W. A. Williams, 

 Mr. Spencer Brett, Dr. Schidrowitz, Dr. H. P. 

 Stevens, Dr. S. Rideal, Mr. P. J. Burgess, Mr. 

 G. H. Golledge, Sir Edward Rosling, M. Emil 

 Baillaud, Mr. F. Crosbie Roles, Mr. G. S. Whitby, 

 and Professor Dr. O. Warburg 132 



RUBBER 157 



Chairman: Sir Edward Rosling. 



Paper on Hevea Rubber by Mr. S. Simpson ... 157 



Discussion 158 



Paper on Animal Pests of Hevea Tree, by Mr. E. E. 



Green ... 159 



Discussion: Mr. G. S. Whitby 159 



Papers on Ceara Rubber, by Mr. R. D. Anstead 

 and Mr. S. Simpson ... ... "... ... ... 160 



Discussion : Mr. P. J. Burgess, Mr. J. S. J. McCall, 

 Professor P. Carmody, the President, Mr. C. E. 

 Welldon, Mr. R. D. Anstead, and Mr. S. Simpson 162 



Papers on the Testing of Rubber, by Professor Heim 

 and M. Marquis ... ... ... ... ... ... 165 



Discussion: Mr. P. J. Burgess and the President... 165 



Papers on Castilloa Rubber, by Professor P. 

 Carmody and Mr. A. Russan 166 



Discussion : Sir Thomas Holdich, the Chairman, the 

 President, and Mr. A. Russan 167 



Papers on Rubber in Angola, by Professor C. de 

 Mello Geraldes; on Hevea Rubber, by Mr. T. 

 Fetch, Mr. A. Sharpies, Mr. B. J. Eaton, Mr. 

 H. C. Pratt; on Funtumia Rubber, by M. 

 Gisseleire; on Rubber in German Colonies, by 

 Dr. F. Frank; and on the Testing of Rubber, by 

 M. Cheneveau and M. Lamy-Torrilhon ...;. : K;.. 168 



