NATURAL ENEMIES OF THE FOREST. 249 



THE NATURAL EXEJIIES OF THE FOFiEST. 

 Reference s : * 



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Pinchot, Primer I, pp. 75-76. Bruncken, pp. 27-29. 

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Water. 



Both. First Book. p. 27. 



Snow, ice and frost. 



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*For general bibliography, see p, 4. 



