ro 



A>rKKICAN FORESTRY 



IVoods : classification and structure 

 Suduorth, Geo. B., and Mell, Clayton D. The 

 identification of important North Ameri- 

 can oak woods, based on a study of the 

 anatomy of the secondary wood. 56 p. 

 il. Wash., D. C, 1911. (U. S.— Dept. 

 of agriculture — Forest service. Bulletin 

 102.) 



Arboretu)iis 



Arnold arboretum. Bulletin of popular in- 

 formation, No. 17. 7 p. Jamaica Plain, 

 Mass., 1911. 



Silvics 



Forest influences 



Hunger, Thornton T. Avalanches and for- 

 est cover in the northern Cascades. 12 

 p. pi, map. Wash., D. C, 1911. (U. S.— 

 Dept. of agriculture — Forest service. 

 Circular 173.) 



Ecology. 



Harper, Roland M. The Hempstead plains; 

 a natural prairie on Long Island. 10 p. 

 il. N. Y., American geographical society, 

 1911. 



Harper, Roland M. The relation of climax 

 vegetation to islands and peninsulas. 11 

 p. N. Y., Torrey botanical club, 1911. 



Harper, Roland M. The river-bank vegeta- 

 tion of the lower Apalachicola, and a 

 new principle illustrated thereby. 10 p. 

 il. N. Y., Torrey botanical club, 1911. 



Studies of species 



Woolsey, Theodore S. Western yellow pine 



in Arizona and New Mexico. 64 p. il., 



pi. Wash., D. C, 1911. (U. S.— Dept. 



of agriculture — Forest service. Bulletin 



101.) 



Silviculture 



Natural reproduction 



Swain, E. H. F. Reafforestation and the 

 hardwood supply in relation to North 

 Coast forests. 8 p. Sydney, Govt, 

 printer, 1911. 



Planting 



Cox, Wm. T. Reforestation on the national 

 forests; pt. 1 — Collection of seed; pt. 

 2— Direct seeding. 57 p. il., pi. Wash., 

 D. C, 1911. (U. S.— Dept. of agricul- 

 ture — Forest service. Bulletin 98.) 



Secrest, Edmund. Treatment of artificial 

 tree plantations. 21 p. il. Wooster, O., 

 1911. (Ohio — Agricultural experiment 

 station. Circular 110.) 



National business league of America. The ! 

 tree planters of America, a potent fac- 

 tor for the reforestation of the United 

 States and extension of practical arbori- 

 culture by the American farmer boys. 

 3d ed. 39 p. Chicago, 1911. 



Forest Protection 



I 



Insects ; 



Burgess, A. F. Lalosoma sycophanta; its 

 life history, behavior, and successful 

 colonization in New England. 94 p. il. 

 pi., map. Wash., D. C, 1911. (U. S.— I 

 Dept. of agriculture — Bureau of ento- ' 

 mology. Bulletin 101.) , 



Stebbing, E. P. On the life-history of 

 Chermes himalayensis on the spruce, \ 

 Picea morinda, and silver fir, Abies web- 

 biana. 26 p. il., pi. London, 1910. i 

 (Linnean society of London. Transac- 

 tions, 2d ser. zoology, v. 11, pt. 6.) 



Forest Economics ' 



Statistics i 



MacMillan, H. R. and Boyce, W. Guy H. i 

 Forest products of Canada, 1910: cross ' 

 ties purchased. 7 p. Ottawa, 1911. (Cana- ' 

 da— Department of the interior— For- 

 estry branch. Bulletin 22.) 

 MacMillan, H. R. and Boyce, W. Guy H. ; 

 Forest products of Canada, 1910: poles i 

 purchased. 8 p. Ottawa, 1911. (Cana- ' 

 da — Department of the interior — For- j 

 estry branch. Bulletin 21.) 

 MacMillan, H. R. and others. Forest prod- 

 ucts of Canada, 1910 : timber used in | 

 mining operations. 12 p. Ottawa, 1911. ! 

 (Canada — Department of the interior — ' 

 Forestry branch. Bulletin 23.) j 



Forest Administration '' 



I 

 Dutch East Indies — Dienst van het bosch- ' 



wezen. Verslag over het jaar 1910. 118 



p. pi. Weltevreden, F. B. Smits, 1911. j 



India — Bombay presidency — Forest depart- j 

 ment. Administration report of the for- 

 est circles in the Bombay presidency, in- 

 cluding Sind, for the year 1909-1910. 166 

 p. Bombay, 1911. 



India — Central provinces — Forest dept. Re- 

 port on forest administration for the j 

 year 1909-10. 138 p. Nagpur, 1911. 



United States — Dept. of agriculture — Forest 

 service. The national forest manual; in- | 

 structions to forest officers relating to j 

 forest plans, forest extension, forest in- 

 vestigations, libraries, cooperation, and 

 dendrology. 45 p. Wash., D. C, 1911. 





