148 



THE RUBBER INDUSTRY 



larger in girth (127$ inches). Some of the inside trees 

 of the First Plantation, which are crowded and over- 

 topped, are very poor specimens, though presumably 

 equal in age to the others. Thus, No. 20 is 40 inches 

 in circumference ; No. 13, 33 inches. 



TABLE I. : GIRTH MEASUREMENTS 

 First Plantation : 15 Trees, 37 Years old (Original Trees) 



Mean girth = 85-88 inches. 

 Second Plantation : 10 Trees, 27 Years old (Second Generation) 



Mean girth = 76-27 inches. 



