502 APPENDIX. 



No. 5. What is Forestry ? By B. E. Fernow, Chief of 

 Division of Forestry. Pp. 52. 1891. 

 No. 7. Forest Influences. Pp. 197. Figs. 63. 1893. 



i. Introduction and summary of conclusions, by B. E. Fernow. 

 2. Review of forest meteorological observations, a study preliminary to 

 the discussion of the relations of forest to climate, by M. W. Harring- 

 ton. 3. Relation of forests to water supplies, by B. E. Fernow. 4. Notes 

 on the sanitary significance of forests, by B. E. Fernow. Appendices : 

 i. Determination of the true amount of precipitation, and its bearing on 

 theories of forest influences, by Cleveland Abbe. 2. Analysis of rain- 

 fall with relation to surface conditions, by George E. Curtis. 



No. 9. Report on the Use of Metal Railroad Ties, and on 

 Preservation Processes and Metal Tie-plates for Wooden Ties. 

 By E. E. Russell Tratman, A. M., Am. Soc. C. E. (supple- 

 mentary to Report on the Substitution of Metal for Wood in 

 Railroad Ties, 1890). Prepared under the direction of B. E. 

 Fernow, Chief of Division of Forestry. Pp. 363. Pis. 5. 1894. 



No. 13. The Timber Pines of the Southern United States. 

 By Chas. Mohr, Ph.D. Together with a Discussion of the 

 Structure of their Wood, by Filibert Roth. Prepared under 

 the direction of B. E. Fernow, Chief of Division of Forestry. 

 Pp. 160. Pis. 27, figs. 18. 1896. 



No. 1 6. Forestry Conditions and Interests of Wisconsin. 

 By Filibert Roth. With a Discussion of Objects and Meth- 

 ods of ascertaining Forest Statistics, etc. By B. E. Fernow. 

 Pp. 76. 1898. 



No. 21. Systematic Plant Introduction. By David A. 

 Fairchild. Pp. 24. 1898. 



No. 22. The White Pine. By V. M. Spalding and B. E. 

 Fernow. Pp. 185. 1899. 



No. 25. Notes on Forest Conditions of Puerto Rico. By 

 Robert T. Hill. Pp. 48. 1899. 



No. 26. Practical Forestry in the Adirondacks. By Henry 

 S. Graves. Pp. 85. 1899. 



No. 34. A History of the Lumber Industry in the State of 

 New York. By William F. Fox. 1902. 



