16 PRICE LIST 43 BTH EDITION 



FOREST SERVICE CIRCULAR Continued. 



189. Strength values for structural timbers. Paper, 5c. 

 390. Visual method for determining penetration of inorganic salts in treated 

 wood. Paper, 5c. 



191. Modification of sulphonation test for creosote. Paper, 5c. 



192. Prevention of sap stain in lumber. Paper, 5c. 



193. Mechanical properties of redwood. Paper, 5c. 



194. Progress report on wood-paving experiments in Minneapolis. Paper, 5c. 



195. Forest planting in Northeastern and Lake States. Paper, 5c. 



196. Influence of age and condition of tree upon seed production in western 



yellow pine. Paper, 5c. 



197. Utah juniper in central Arizona. JPaper, 5c. 



198. Condition of experimental chestnut poles in Warren-Buffalo and 



Poughkeepsie-Newton Square lines after 5 and 8 years' service. 

 Paper, 5c. 



200. Absorption of creosote by cell walls of wood. Paper, 5c. 



201. Emory oak in southern Arizona. Paper, 5c. 



202. Quebracho wood and its substitutes. Paper, 5c. 



203. Assistance to private owners in practice of forestry. Paper, 5c. 



205. Forest fire protection under Weeks law in cooperation with States. 



Paper, 5c. 



206. Commercial creosotes, with special reference to protection of wood 



from decay. Paper, lOc. 



207. Profession of forestry. Paper, 5c. 



208. Extracting and cleaning forest tree seed. Paper, 5c. 



209. Service tests of ties, progress report. Paper, 5c. 



210. Yield and returns of blue guru, eucalyptus, in California. Paper, 5c. 



211. Greenheart. Paper, 5c. 



212. Circassian walnut. Paper, 5c. 



213. Mechanical properties of woods grown in United States. Paper, 5c. 



214. Tests of packing boxes of various forms. Paper, 5c. 



215. Pith-ray flecks in wood. Paper, 5c. 



216. Effect of forest fires on standing hardwood timber. Paper, 5c. 

 [This is the last circular in this series.] 



FORESTRY. 



Address of Geo. B. Loring before American Forestry Congress, St. Paul, 

 Minn., Aug. 8, 1883. 41 pages. Paper, 5c. A 1.7 : 1 



Assistance to private owners in practice of forestry. 1912. 8 pages. 

 [Supersedes Circular 165.] Paper, 5c. A 13.4: 203 



Forest extension in middle West. Pages 145 to 156, illus. [From Agricul- 

 ture Yearbook, 1900.] Paper, 5c. A1.10 a :212 



Forest preservation. ( In Smithsonian Report, 1910, pages 433 to 445, illus. ) 

 Cloth, $1.10. SI 1.1 : 910 



Forestry for farmers. (In Agriculture Yearbook, 1894, pages 461 to 500, 

 illus.) Cloth, 50c. A 1.10: 894 , 



How to cultivate and care for forest plantations on semiarid plains. 1907. 

 4 pages. Paper, 5c. A 13.4 : 54 



Influence of forestry upon lumber industry. (In Agriculture Yearbook, 



1902, pages 309 to 312, illus.) Cloth, 85c. A 1.10 : 902 



Management of 2d growth sprout forests. (In Agriculture Yearbook, 1910, 



pages 157 to 168, illus.) Cloth, $1.00. A 1.10 : 910 



Methods of increasing forest productivity. 1909. 16 pages. Paper, 5c. 



A 13.4 : 172 

 Notes on some forest problems. (In Agriculture Yearbook, 1898, pages 181 



to 192, illus.) Cloth, 60c. A 1.10 : 898 



Practice of forestry by private owners. (In Agriculture Yearbook, 1899, 



pages 415 to 428, illus. ) Cloth, 75c. A 1.10 : 899. 



NOTE. In ordering publications from this List use the words of the title 

 as far as the first period, and all the composite number which follows the price. 



