TABLE XI. First 40 Tappings. Total Rubber from 10 Trees 

 tapped at intervals of \ 7 Days (nominal]. 



(Weights in grammes ; circumference in inches.) 



I. II. III. IV. V. VI. VII. 



1 An interval of u days between the s8th and 29th tapping of row I., 

 and between the i4th and I5th tapping of row II. 



