16 



APPENDIX. 



For the convenience of non-professional students, the titles of a few easily 

 accessible popular books on forestry in general, although not referring specially 

 to California, are herewith appended. The first two of these books trea.t the 

 subject principally from the economic or sociological side, the others from the 

 technical side. 



BRUNCKEN, Ernest. North American Forests and Forestry. 

 FERNOW, B. E. Economics of Forestry. 

 GIFFORD, John. Practical Forestry. 

 GREEN, Samuel B. Principles of American Forestry. 

 PINCHOT, Gifford. A primer of forestry. 

 - The use of the National Forests. 



ROTH, Filibert. A first book in forestry. 



On the influence of forests on soil fertility, climate and the like, the best 

 comprehensive work is still G. P. Marsh, The earth as modified by human action 

 (in the earlier edition known as Man and Nature). 



