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



dentally to clean and force them up. (3) Confine eucalypts to areas where soil and climatic 

 conditions are most favorable utilizing poor areas for species better calculated to preserve 

 or improve soil fertility. [See also Bot. Absts. 6, Entry 1044.] — C. F. Korstian. 



1033. Kashyap, S. R. Abnormal number of needles in the spurs of Pinus longifolia. 

 Jour. Indian Bot. 1: 115-119. 1919.— See Bot. Absts. 5, Entry 1894. 



1034. Kreitmann, L. La conversion de la foret domaniale de Montiers-sur-Saulx. [The 

 conversion of the national forest of Montiers-sur-Saulx.] Rev. Eaux et Forets 58: 93-99. 1920. 

 — Prior to 1868 the national forest of Montiers-sur-Saulx was handled as coppice under stan- 

 dards, with a rotation of 25 to 30 years. In that year plans were made to improve the quality 

 and yield of the stand by converting it into high forest. These plans were not carried out, 

 however, and the forest is now in a deplorable condition, with few trees suitable for the pro- 

 duction of satisfactory standards. If the forest is not to be completely ruined it is necessary 

 that steps be taken at once to convert it into high forest, for which it is preeminenlty suited 

 both by the quality of the soil and by the value of the products that it can produce. A rota- 

 tion of 112 years should be used and preference should be given to beech, which does remark- 

 ably well here. In some cases artificial reforestation will be necessary for the establishment 

 of a satisfactory stand. — S. T. Dana. 



1035. Lecomte, Henri. Atlas des bois de l'Indo-Chine. [Atlas of Indo-Chinese woods.] 

 [Author's Abstract.] Compt. Rend. Acad. Sci. Paris 170: 162-263. 1920. 



1036. Lescuyer, Pierre. Quelques reflexions sur le calcul des pertes d'avenir. [The 



calculation of future losses.] Bull. Trimest. Soc. Forest. Franche-Comte et Belfort 13: 166- 



168. 1920. — In calculating the damage to stands or to individual trees resulting from their 



1 . op m - 1 



premature exploitation, some foresters use the formula x = R , others the formula 



R l.op"-l 



x = -, ^^- The second formula alwavs g'.ves a larger result, since, as is demonstrated 



1 . op a m 



mathematically, it includes not only the future value of the tree or stand but also the expense 

 of management. The first formula is generally to be preferred, both because it confines it- 

 self simply to determining the future value of the prematurely exploited stand or tree without 

 attempting to determine what will succeed it, and because it is doubtful whether there really 

 is any expense of management in the case of one or a few isolated trees. — 5. T. Dana. 



1037. Lorenzex, Potjl. 100-Aarig Adelgran paa Bornholm. [100-year noble fir (Abies 

 pectinata) on Bornholm, Denmark.] Dansk Skovforenings Tidsskr. 5: 92-101. 1 pi. 1920. 

 — A plantation made one hundred years ago yielded 1010 cubic meters of wood per hectare; 

 the average diameter was 37 cm., the average height 32 meters and the total basal area 59.8 

 square meters. — J. A. Larsen. 



1038. Mackay, H. Forestry in Victoria. Australian Forest. Jour. 3: 116-119. 1920.— 

 The first installment of a serial article, briefly discussing past and present forest resources of 

 Victoria and their economic significance. — C. F. Korstian. 



1039. Mattirolo, Oreste. Considerazioni sulla convenienza dell'impiego del legno in 

 specie nella costruzione dei "lungheroni d'ala" degli aeroplani. [Use of wood in aeroplane-wing 

 frames.] Atti R. Accad. Lincei, Rend. (CI. Fis. Mat. e Nat.) 28 1 : 249-253. 1919.— Observa- 

 tions made on wooden parts of broken aeroplanes indicate that weakness was due to irregular 

 growth of the tree not made evident by the tests in use. Ash wood (Fraxinus excelsior Linn.) 

 adjacent to breaks was easily separable into hard granules, these granules being apparently 

 made up of elements characteristic of spring growth. The conclusion is reached that some 

 material of more uniform texture than wood must be found for this use. — F. M. Blodgett. 



1040. Metcalf, Woodbridge. A precocious youngster. Amer. Forestry 26: 15. 1 fig. 

 1920.— See Bot. Absts. 5, Entry 1899. 



