FORESTRY. 645 



in forest areas, forest surveys, working' plans, forest protection, miscellaneous 

 work, yields iu major and minor forest products, revenues, expenditures, etc., 

 are appended in tabular form. 



The State and forestry in Ireland, A. C. Forbks (Quart. Jour. Forestry, 

 9 (1915), No. S, pp. 214-225). — A short review of the history of forestry in 

 Ireland with special reference to the development of state forestry in recent 

 years. 



The Tintern crown forests, W. Schlich (Quart. Jour. Forestry, 9 (1915), 

 No. 3, pp. 194-20Jf, pi. 1). — A descriptive account of these forests and the 

 system of management applied to them during the last fourteen years. 



Some developments in reforestation on the National Forests, C. R. Tillot- 

 SON (Forest Club Ann. [Univ. Nehr.'], 6 (1915), pp. 103-109).— An account of 

 the more important developments in reforestation work, with special reference 

 to nursery practice, sowing, and planting. 



The quadrat method as applied to investigations in forestry, A. W. 

 Sampson (Forest Club Ann. [Univ. Nehr.], 6 (1915), pp. 11-31, pi. 1, figs. 6). — 

 In this article the author explains the use of the quadrat method of study in 

 forestry and gives some results obtained through the application of this method 

 in growth and management studies undertaken at the Utah Forest Experiment 

 Station on the Manti National Forest. 



On the harmful effects of the growth of certain grasses and weeds around 

 the roots of young forest trees, S. F. Armstrong and E. R. Pratt (Quart. I 

 Jour. Forestry, 9 (1915), No. 3, pp. 225-230, pi. i).— In the authors' experi- 

 ments, which are being conducted at Ryston, a large number of grasses were 

 grown at the base of young forest trees. The results for the 3-year period, 

 1912-1914, are in accord with those reported by the Duke of Bedford and S. U. 

 Pickering for fruit trees ^E. S. R;,t.,20.jg^639)^ . They _also_in( 3i'''ntP tji ^tfh^ 

 harmful effects of grass are the result of some soluble toxic substance produced 

 by growing plants. The plats have been retained for further observation. 



Some methods in the germination tests of coniferous tree seeds, J. S. 

 BoYCE (Forest Club Ann. [Univ. Nebr.], 6 (1915), pp. 71-88).— A resume of the 

 literature on the subject, including also a description of methods of making 

 germination tests and results secured by the au.thor. 



Variation in the size of ray pits of conifers, F. B. H. Brown (Ohio Nat., 

 15 (1915), No. 8, pp. 542-550, figs. 6).^A comparative study of variations in 

 ray characters in Larix and Picea, including charts and tabular data showing 

 variations in size and number of ray pits through one annual ring in Larix 

 laricina, L. occidentalis, Picea sitchcnsis, and C. canadensis. 



A new industry in Middle Park: The collection of lodgepole pine cones, 

 A. T. Upson (Forest Club Ann. [Univ. Nebr.l, 6 (1915), pp. 32-40).— A de- 

 scriptive account of the methods of collecting lodgepole pine cones in Colorado 

 and the extraction of seed by the Forest Service of the U. S. Department of 

 Agriculture. See also a previous note by Farquhiar (E. S. R., 29, p. 444). 



The older forest plantations in Massachusetts. — Conifers, J. R. Simmons 

 (Boston: State, 1915, pp. 38, pis. 11). — The author here presents data secured 

 in 1914 on a number of forest plantings of coniferous trees which have reached 

 an age when value can be measured in terms of lumber. The plantations are 

 considered with reference to their history, objects, and treatment, and data are 

 also given showing growth measurements, the number of trees, and estimated 

 amouift of lumber in sample plats. 



Structure of the wood of Himalayan junipers, W. Rushton and W. Pad- 

 DiNGTON (Jour. Linn. Soc. [Lo7idon], Bot., 43 (1915), No. 288, pp. 1-13, pi. 1).— 

 A macroscopic and microscopic study of the wood structure of four species of 



