212 



experiment is now being discontinued, to record the results 

 desirable. The weight of dry rubber each year has been as follows : 



lbs. oz. 



1896 ... ... ... Not recorded. 



1897 



1898 



1899 



1900 



1901 



1902 



1903 



1904 



1905 



1906 



1907 



1908 



1909 



1910 



1911 



1912 



1913 



Total 



MOHAMED HANIFF. 



SELECTION OF RUBBER SEED. 



The following is from the Bulletin de I'Association des Planteurs 

 de Caoutchouc, v, 1913, page 305. 



" Mr. W. T. Ruys, manager of the Plantation of the Company 

 Rotterdam Tapanoelie, has made a very interesting experiment in 

 selecting seeds of Hevea, theresult of which the Company has been so 

 good as to communicate to us. Mr. Ruys took 96 seeds in order to as- 

 certain the influence of size on their germinative power and growth, 

 and divided them into four groups, each of 24 seeds, by their size, 

 which were weighed collectively. The seeds were sown on January 

 22nd, and the seedlings measured on the Iith of June, following, with 

 these results : — 



" ~° -B No. of plants of different heights. 



