GUMS 



79 



r. :-*■ 



m. 





;:--:\v-: 



~-?,.">'^> 





FIGURE 27. A GUTTA-PERCHA TREE TAPPED IN SUCH A MANNER THAT THE FLOW- 

 ING MILK IS NOT ALL ABSORBED BY THE CHOPPED-UP BARK, BUT MUCH OF IT 

 IS LOST ON THE GROUND BELOW. TUCURAN, DISTRICT OF ZAMBOANGA, 

 MINDANAO. 



