254 THE MEASUREMENT OF STANDING TREES 



Another Caliper (Swedish pole and hook for measuring diameters at considerable 



height). S. T. Dana, Proc. Soo. Am. Foresters, Vol. XI, 1916, p. 337. 

 Saving Labor in Measuring Heights, S. B. Detwiler, Forestry Quarterly, Vol. XIII, 



1915, p. 442. 

 A New Hypsometer, H. D. Tiemann, Forestry Quarterly, Vol. II, 1904, p. 145. 

 Comparative Test of the Klaussner and Forest Service Standard Hypsometers, 



Douglas K. Noyes, Proc. Soc. Am. Foresters, Vol. XI, 1916, p. 417. 

 Some New Aspects Regarding the Use of the Forest Service Standard Hypsometer, 



Hermann Krauch, Journal of Forestry, Vol. XVI, 1918, p. 772. 

 A Simple Hypsometer, Vorkampff Laue, Forestry Quarterly, Vol. Ill, 1905, p. 195. 

 A New Dendrometer, Donald Bruce, University of California Publications, Vol. Ill, 



No. 4, Nov., 1917, pp. 55-61. Review, Journal of Forestry, Vol. XVI, 1918, 



p. 724. 

 A New Dendrometer or Timber Scale, Judson F. Clark, Forestry Quarterly, Vol. XI, 



1913, p. 467. 

 The Biltmore Pachymeter, Ralph G. Burton, Forestry Quarterly, Vol. IV, 1906, p. 8. 

 Determination of the Middle Diameter of Standing Trees, P. d'Aboville. Trans- 

 lation, Journal of Forestry, Vol. XVII, 1919, p. 802. 

 Rules of Thumb for Volume Determination, F. R. Mason, Forestry Quarterly, 



Vol. XIII, 1915, p. 333. 

 A Home Made Hypsometer (Winkler type). Construction described in Farmers 



Bulletin 715, 1916, p. 18. 



