

«•**> -> 



n 



-vi5t,. 



■-*». 



Plate 20. — Charcoal burning; pitch pine; log fence; tules; fruit trees, a-c, Charcoal burning, d. Pitch jjine. c, Log 

 fence. /, Tula liarvest. y, Zapote bianco, h, Aguacate. i, Tejocote. 



(For explanation, see p. 235.) 



