82 FORESTRY [Bot. Absts., Vol. VI, 



587. Mason, W. H. Planting in pits. Quart. Jour. Forest, 14: 141-142. 1920.— The 

 planting of larch in pits where the turf was cast, grass down, into the bottom of the pit and 

 finely chopped up, resulted in complete failure of the plantation. The sod at the bottom of 

 the pits, it was discovered, had rotted away, leaving a cavity into which all the moisture 

 around the tree drained. — C. R. Tillotson. 



588. Maxwell, E. Rate of growth of indigenous and exotic trees in New Zealand. Com- 

 parison of the rate of growth in relation to its bearing on forestry. New Zealand Jour. Sci. 

 Tech. 2: 371-376. 3 tables. 1919. — Waste of native forests has brought these near extinc- 

 tion. Introduced trees grow much more rapidly than native ones. Considers Sequoia sem- 

 pervircns especially destined to play a very important part in future New Zealand forestry. 

 [See also Bot. Absts. 6, Entry 568.] — A. Gundersen. 



5S9. Meredith, E. T. Forests as a farm crop. Amer. Forestry 26: 337-338, 342. 1920. 



590. Meredith, E. T. Need of forests for wood pulp. Amer. Forestry 26 : 362-363. 1920. 

 [From a letter to the American Paper and Pulp Association.] 



591. Moore, Barrington. [Rev. of: Brown, Nelson C. Forest products, their manu- 

 facture and use. 471 p., 120 fig. John Wiley & Sons: New York, 1919.] Torreya 20: 57-59. 

 1920. — The book treats of the history, process of manufacture, and use of the principal forest 

 products. Of special interest is information on sources of supply with relation to present 

 and future forest resources. The book is well illustrated and provided with an index. — J. C. 

 Nelson. 



592. Morrison, W. G. Some proposals with regard to natural afforestation in a New Zea- 

 land mountain area. New Zealand Jour. Sci. Tech. 2: 339-349. 1919. 



593. Munger, T. T. Forestry in the Douglas fir region. Amer. Forestry 26: 199-205. 

 7 fig. 1920. 



594. Murray, J. M. Variation in the Scots pine (Pinus silvestris, L.). Trans. Roy. Scot. 

 Arbor. Soc. 34: 87-91. 1920.— C. R. Tillotson. 



595. Olmsted, Frederick E. Business phases of forest devastation. Jour. Forestry 18: 

 311-316. 1920. — -The provisions of the Committee for Application of Forestry to correct 

 certain business practices of the lumber industry, are necessary to carry out the program as 

 a whole, since forestry would have to control prices, capitalization and other business condi- 

 tions. Arguments are presented showing silviculture to be a business as well as an art and 

 science, for problems of labor, production, distribution and costs must be met. — E. N. Munns. 



596. Parkin, John. A plea for the consideration of the aesthetic side in restocking our 

 war-felled woods. Quart. Jour. Forest. 13: 254-265. 1919. — See also next following Entry, 

 597. 



597. Parkin, John. A plea for the consideration of the aesthetic side in restocking our 

 war-felled woods. Quart. Jour. Forest. 14: 33-48. 1920. — See also next preceding Entry, 596. 



598. Parnell, R. Hazara Forest Division, North-West Frontier Province. Indian For- 

 ester 46 : 224-237. 5 fig. 1920.— The business of the Hazara Forest from 1880 to 1920 is sum- 

 marized and analyzed as to improvements, law cases, fires, products and finances. — E. N. 

 Munns. 



599. Pearce, W. J. Relation of insect losses to sustained forest yield. Jour. Forestry 

 18: 406-411. 1920. — Insects, especially the Dendroctonus beetles have an important place 

 in the future management of forests. It was estimated on the Dolores timber survey project 

 in Colorado that in the life of the stand (about 300 years) 90 per cent of the trees, by volume, 



