EXPERIMENT IV 1905 and] 1906 Compared. 



1905. 



20 Trees. 

 Aggregate giith. i 



) Mode of Tapping. 



Total Fluid. 



1906. 



40 Trees. 

 Aggregate girth. 



Mode of Tapping. 



9 



TO 



Total. 



Ins. 



Herring Bone 

 Daily (Full ). 

 Do. 

 Do. 

 Do. 

 Do. 

 Do. 

 Do. 

 Do. 

 Do. 



648 



Ounces c/c. 

 67 5i 

 849* 

 1,026.^ 



1,46 -\ 



757 



854A 

 1,276 

 1 ,64 1 k 

 i.8co 



1 1 ,746.1 



Group 1 & 2 

 „ 3& 4 

 .. 5& 6 

 „ 7 & 8 

 ,, 9 & 10 



1905. 



1,525 ozs. c/c 



2,338 



2,22l| ,, 

 2,130^ „ 



3.53** 



1906. 



1,216 ozs. c c. — 309 

 I -703 „ — 635 

 1,823 — 39&i 



2,816 „ + 68$$ 

 3,38s „ — 146A 



Total ozs. c/c. 



1905 

 1906 



11,7465 ozs. c/c. (a> 3±g oz.= 

 IQ.94 3 » " 4fs ° z -= 



8o 3 i 



10,943 



1 oz. dry Rubber avoirdupc 

 1 oz. do. 



Ft. 



Ins. 



Daily. 



Ounces c/c. 



92 



6 



H. B. Single. 



1,216 



94 



2 



H. B. Full. 



1,703 



134 



2 



H. B. Single. 



1,823 



154 



1 1] 



H. B. Full. 



2,816 



72 



Si 



H. B. Full. 



3,385 



648 



5 2 





J 0,943 



