be tapped has been worked off, there will remain a 

 triangular patch of back. This means in the first place, 

 a loss of the latex remaining- in this patch, moreover, 

 the presence of these patches interferes with the clean 

 renewal of bark, (see fig. 360.) 



FIGURE 36. 

 Examples of bad tapping. 



3. The cuts must be made perfectly straight. 



Inexperienced tappers show a tendency to make crooked 

 cuts (see fig. 36<5.) Here again, portions of the bark will 

 remain untapped with the same results as explained before. 



