1916] FORESTRY. 451 



FORESTRY. 



Announcements concerning forest and shade trees and basket willov/s 

 recommended for planting in Idaho {Univ. Idaho, Dept. Forestry [Bui.], 11 

 {1916), No. 2, pp. 4)- — This pamphlet contains a descriptive list of trees recom- 

 mended for various planting purposes in Idaho, together with announcements 

 dealing with the distribution of trees by the State Department of Forestry. 



The forests of Mount Rainier National Park, G. F. Allen (17. S. Dept. 

 Int., Off. Sec. [Pub.], 1916, pp. 33, figs. 26).— A popular account of forest condi- 

 tions in Mount Rainier National Park, including descriptions of the more 

 important forest species. 



Timber of Russia, M. Tkatchenko (Internat. Engin. Cong., 1915, Sept. 

 20-25, Adi\ Copy, pp. 24). — A paper presented at the International Engineering 

 Congress at San Francisco in 1915, giving an account of forest areas and forest 

 ownership in Russia, and of the forests in the different parts of Russia, with 

 reference to distribution of species, yield, mechanical properties, and commer- 

 cial uses of the timber, lumbering, and management. 



Hybrid trees, W. H. Lamb (Jour. Heredity, 7 (1916), No. 7, pp. Sll-319, 

 figs. 4). — A review of our knowledge relative to natural and artificial hybridi- 

 zation among trees. 



British Columbia western larch (Larix occidentalis) {Brit. Columbia Govt., 

 Forest Branch Bui. 16 [1916], pp. 15, figs. 13). — This bulletin describes the 

 western larch (L. occidentalis) with reference to its range, distinguishing 

 characteristics, and the qualities and uses of the wood. 



The yellow locust (Robinia pseudacacia), J. J. Cbumley {Mo. Bui. Ohio 

 Sta., 1 {1916) , No. 5, pp. 149-152, fig. 1 ) . — An account of the yellow locust, with 

 reference to its distribution, habitat, habit of growth, durability of the wood, 

 production and market value, and propagation. 



Notes on tapping experiments at Kuala Liumpur. — Third and fourth years' 

 result, F. G. Spbing {Agr. Bui. Fed. Malay States, 4 {1916), No. 6, pp. 168- 

 174). — Yield data are given for the third and fourth years on a comparative 

 test of six different systems of tapping rubber. The results secured during the 

 first two years (E. S. R., 29, p. 240) are also included. 



Tenth annual report of the commissioner of forestry, made to the general 

 assembly at its January session, 1916, J. B. Mowby {Ann. Rpt. Comr. For- 

 estry, R. I., 10 {1915), pp. 18). — A progress report on forest conditions in 

 Rhode Island, including data relative to forest fires in 1915 and planting and 

 improvement operations by landowners. 



Report of the forest officer for the year 1914-15, C. S. Rogers {Rpt. 

 Forest Off. Trinidad and Tobago, 1914-15, pp. 6).— This comprises a brief report 

 relative to the administration and management of the crown forests in Trinidad 

 and Tobago for the year. 



Forest Service revenue and organization, T. S. Woolsey, Jk. {Forestry 

 Quart., 14 {1916), No. 2, pp. 188-235).— A study of the organization and policy 

 of the Forest Service of the U. S. Department of ALrriculture with special refer- 

 ence to their influence on Forest Service revenues. 



The cost of forest improvement systems, P. S. Love.joy {Forestry Quart., 

 14 {1916), No. 2, pp. 238-254) .—A discussion of the various cost factors entering 

 into the improvement of forest tracts. 



Reforesting methods and results of forest planting in New York State, 

 B. H. Paul {New York Cornell Sta. Bui. 374 {1916), pp. 649-692, figs. 25).— 

 This bulletin presents the results of a study made in 1914 relative to reforesting 

 methods in New York State and the results that may be obtained by planting 



