CURRENT LITERATURE 



125 



Philippine journal of science, Sec. C, Sept., 

 1917. New Philippine shrubs and trees, 

 by E. D. Merrill, p. 263-303 ; The rate 

 of growth of some trees on the Gedeh, 

 Java, by Wm. H. Brown and Harry S. 

 Yates, p. 305-10. 



Scientific American, Nov. 17, 1917. Cut- 

 ting logs into shingles ; how big trees 

 are converted into the thin slabs that 

 cover our roofs, by Ernest Elva Weir, 



P- 364-5- 



Wood-preserving, Oct.-Dec, 1917. A plan 

 for double treating poles, p. 49; Effect 

 of soaking and subsequent air-season- 

 ing of Douglas fir upon absorption and 

 penetration of creosote, by George M. 

 Hunt, p. 50-3. 



Trade Journals and consular reports 



American lumberman, Dec. 22, 1917. A 

 new fuel from sawdust and wood 

 waste, p. 27 ; Necessity for effective 

 fire prevention on cut-over lands, by J. 

 H. Foster, p. 39. 



American lumberman, Dec. 29, 1917. 

 Wooden fleet was decisive factor in 

 war of 1812, p. 42; Living conditions 

 in the Maine woods, by Clair E. Turn- 

 er, p. 44 ; Some observations on ef- 

 ficiency in the manufacture of lumber, 

 by W. C. Nisbet, p. 48; The place of 

 electric tractors in lumbering, p 52. 



American lumberman, Jan. 5, 1918. Stu- 

 dents conserve the fuel supply; further 

 the "cut-a-cord" movement in New 

 England, p. 36; Conservation of food 

 in logging camps, by W. C. Ruegnitz, 



P 44-5- 



Canada lumberman, Jan. 1, 1918. The evo- 

 lution of grades for hardwoods, by 

 W. L. Martin, p. 31-2. 



Engineering and contracting, Dec. 19, 1917. 

 Method and cost of clearing cut-over 

 land with powder, p. 505-7. 



Engineering news-record, Dec. 20, 1917. 

 Creosoted block can be laid on hard- 

 ened pitch cheaper than on dry mortar, 

 by Walter Buehler, p. 1165-7. 



Engineering news-record, Dec. 27, 1917. 

 What are the limitations of wood pipe 

 under fills? p. 1204. 



Engineerirg news-record, Jan. 3, 1918. 

 Telescope section for latest timber 

 snowsheds, p. 44-5. 



Gulf Coast lumberman, Jan. 1, 1918 For- 

 est prevention, by J. H. Foster, p. 14; 

 Wooden wheels for autos, p. 46. 



Journal of industrial and engineering chem- 

 istry, Jan., 1918. Spruce turpentine, 

 p. 4. 



Lumber trade journal, Dec. 15, 1917. The 

 conversion of trees into ships, by W. J. 

 Hayden, p. 21. 



Lumber world review, Jan. 10, 1918. 

 Spruce ; its selection and treatment 

 from the tree to the piano sounding 

 board, by Frank E. Morton, p. 28-30. 



Mississippi Valley lumberman, Dec. 14, 

 1917. The taxation of timber lands, by 

 J. F. Hayden, p. 33. 



Municipal journal, Jan. 5, 1918. Wood 

 block paving in Baltimore, p. 6-7. 



Plant 



Norway 



Maples 



No tree makes a stronger appeal to the 

 landscape gardener and city forester than the 

 Norway Maple. It grows rapidly and requires 

 little care. It thrives under adverse condi- 

 tions and is unharmed by the dust and smoke 

 of the city. 



rtl \ o.G.HAHFuaoN eoNS l\ proprietors x 





jGjOuiot\itJniH 



have a large stock of the choicest specimen trees. 

 They are carefully grown and shaped and have the 

 heavy root systems that come only from frequent 

 transplanting. We can supply Norway Maples in 

 diameters from 1 inch to 6 inches. The larger sizes 

 will produce an immediate effect. 



We also offer native Maples, Elms, etc. Hand- 

 some Evergreens for row, hedge or individual plant- 

 ing. Also Flowering Shrubs, Vines, etc. Fruit trees 

 of all kinds. 



Write today for 1918 Catalog and price list. 



Harrisons' Nurseries 

 Box 71 Berlin, Md. 



iilllllinilllllHIIIIIIIIIIIIIHllllllllllllllllllllllllllllllllH lllllllllllllllllilllllllllllllllllllllllllllllHIIIIIIIIIIIIIIIIIIII 



1 Are you on the Mailing List for Catalog of 



Pine and Oak Help Each Other 



II!IIIIIIIIIIIIII!I!!!!IIIIIII1IW[|IIIIJ!IIIIIIIIII!!1 



Hicks Nurseries? 



It will confirm your de- 

 cisions on fitting your 

 selection of trees to your 

 soil and climate. It offers 

 trees for dry and acid 

 soils and moist soils in 

 the same region. Many 

 nurseries on alkaline soils 

 do not specialize on oaks 

 and pines. 



Trees 20 years old can 

 be selected now. They 

 are guaranteed to grow 

 satisfactorily or replaced 

 free. 



Isaac Hicks & Son 1 



Westbury, Nassau Co., N. Y. | 



iiiii 



National coopers' journal, Jan., 1918. The 

 progress of gum wood in the manu- 

 facture of tight barrels, p. 7. 



Paper, Dec. 19, 1917. Pulpwood handling 

 and storage systems, by Emile R. Low, 

 p. 11-13; Processes for repulping waste 

 paper, p. 14-16. 



Paper, Jan. 2, 1918. Factors influencing 

 the value of pulpwood, by Sidney D. 

 Wells, p. 11-15. 



Paper trade journal, Dec. 20, 1917. Ger- 

 man utilization of wood flour, by Max 

 Bottler, p. 32. 



Pioneer western lumberman, Dec. 15, 1917, 



