B. LIST OF PUBLICATIONS RELATING TO FORESTRY ISSUED 

 FROM THE DEPARTMENT OF AGRICULTURE SINCE 1877. 



BULLETINS. 



No. 1. Report on the Relations of Railroads to Forest Supplies and Forestry, together with 

 appendices on the structure of some timber ties, the behavior and the cause of their decay in the 

 roadbed, on wood preservation, on metal ties, and on the use of spark arresters, by B. E. Fernow. 

 Pp. 149, pis. 7, figs. 7. 1887. 



No. 2. Report on the Forest Condition a of the Rocky Mountains, with a map showing the loca- 

 tion of forest areas on the Rocky Mountain range, and other papers. Pp. 252, map, 1, diagr., 1. 

 1888. 



Contents: Extracts from Reports of the Commissioners of the Land Office The Government in its relation to 

 forests, by Prof. E. J. James Report on the forest conditions of the Rocky Mountains, by Col. Edgar T. Ensign 

 Map showing the location of forest areas and principal irrigation ditches in the Rocky Mountain region Forest 

 flora of the Rocky Mountains, by George B. Sudworth Report 011 tlie forests of LOH Angeles, San Bernardino, and 

 San Diego counties, Cal., by Abbott Kinney Trees and shrubs of San Diego County, Cal. The needs of the Yellow- 

 stone National Park, by Arnold Hague, geologist in charge Summary of legislation for the preservation of timber 

 or forests on the public domain, by N. H. Egleston The climate of Colorado and its effects upon trees, by George H. 

 Parsons Snow slides or avalanches, their formation and prevention, by B. E. Fernow. 



No. 3. Preliminary Report on the Use of Metal Track on Railways as a Substitute for Wooden 

 Ties, by E. E. Russell Tratman, C. E., to which is added a report of experiments in wood season- 

 ing by the Chicago, Burlington and Quiney Railroad Company, and other notes. Compiled by 

 B. E. Fernow. Pp. 79, diagr. C. 1889. 



No. 4. Report on the Substitution of Metal for Wood in Railroad Ties, by E. E. Russell Trat- 

 man, C. E., together with a discussion on practicable economies in the use of wood for railway 

 purposes, by B. E. Fernow. Pp. 363, pis. 30. 1890. 



No. 5. What is Forestry, by B. E. Fernow, Chief of Division of Forestry. Pp. 52. 1891. 



No. 6. Timber Physics. Part I. Preliminary Report. Compiled by B. E. Feruow, Chief of 

 Division of Forestry. Pp. 61, pis. 6, figs. 12. 1892. 4. 



1. Need of investigation". 2. Scope and historical development of the science of "timber physics." 3. Organi- 

 zation and methods of the timber examinations in the Division of Forestry. 



No. 7. Forest Influences. Pp. 197, figs. 63. 1893. 



1. Introduction and summary of conclusions, by B. E. Fernow. 2. Review of forest meteorological observa- 

 tions, a study preliminary to the discussion of the relations of forest to climate, by M. \V. Harrington. 3. Relation 

 of forest to water supplies, by B. E. Fernow. 4. Notes on the sanitary significance of forests, by B. E. Fernow. 

 Appendices: 1. Determination of the true amount of precipitation and its bearing on theories of forest influences, 

 by Cleveland Abbe. 2. Analysis of rainfall with relation to surface conditions, by George E. Curtis. 



No. 8. Timber Physics. Part 2. Pp. 92, pis. 12, figs. 22. 1893. Progress report : Results of 

 investigations on long-leaf pine. 



Contents: Mechanical tests made at Washington University testing laboratory, St. Louis, by J. B. Johnson- 

 Field report on turpentine timber, by F. Roth Resinous contents and their distribution in the long-leaf pine, by M. 

 Gomberg Field records of test material, by C. Mohr. 



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 Tratmau, A. M., Am. Soc. C. E. (supplementary to 

 report on the Substitution of Metal for Wood in Railroad Ties, 1890). Prepared under the direc- 

 tion of B. E. Fernow, Chief of Division of Forestry. Pp. 363, pis. 5. 1894. 

 40 



