FOREST BOTANY 265 



Sterrett, W. D. (5235) 



DISENGAGEMENT CUTTINGS IN MIXED SMALL SAPLING STANDS. Forestry Quart. 



11: 62-63. 1913. 



Stewart, S. S. (5236) 



THINNING LODGEPOLE PINE STANDS ON THE MINIDOKA. U. S. Dept. Agr., Forest 



Worker 6 (2) : 12. 1930. 



Swenning, K. A. (5237) 



thinning operations in cottonwood. Empire [State] Forester 13(1) : 27-28, 

 75. 1927. 



Toumey, J. W. (5238) 



SOME OBSERVATIONS ON THE IMPORTANCE OF EARLY DOMINANCE IN PINE STANDS 

 OF WHITE AND RED PINE IN NEW HAMPSHIRE. Mich. Agr. 8 (8) I 5, 21. 1929. 



Trenk, F. B. (5239) 



PROFITABLE MANAGEMENT OF THE YOUNG FOREST. 12 pp., illllS. Baltimore. 



1929. 



Warder, J. A. (5240) 



thinning, trimming and pruning the forest. Minn. State Forestry Assoc, 

 Forest Tree Planters' Manual (ed. 2) 1880: 166-173. 1880. 



Weir, J. R. (5241) 



girdling forest trees with a gasoline torch. Jour. Forestry 16 : 254. 1918. 



and Hubert, E. E. (5242) 



THE INFLUENCE OF THINNING ON WESTERN HEMLOCK AND GRAND FIR INFECTED 



with echinodontium TiNCTORiuM. Jour. Forestry 17: 21-35. 1919. 

 Westveld, Marinus. (5243) 



GIRDLING HARDWOODS TO RELEASE SPRUCE AND BALSAM FIR. JOUI". Forestry 28: 



101. 1930. 



Winter, R. B. (5244) 



improvement of natural forest growth. Forest Leaves 22 (11) I 165-166. 

 1930. 



Woolsey, T. S., Jr. (5245) 



strip thinnings. Soc. Amer. Foresters Proc 6: 38-41. 1911. 



Young, L. J. (5246) 



growth and cultural experiments on the saginaw forest. Mich. Acad. 

 Sci. Papers 9: 541-594, illus. 1928. 



Zaayer, C. V. (5247) 



umber thinning methods and results. Timberman 26 (8) : 50-52, illus. 

 1925. 



(5248) 



thinning and selection of forests. Timberman 27 (1) : 94-95, 97, illus. 

 1925. 



Ziegler, E. A. (5249) 



forest thinnings. Forest Leaves 21 (6) : 82-83. 1927. 



PRUNING, ARTIFICIAL AND NATURAL 



Anonymous. (5250) 



the pruning of large trees. Indiana Forestry 34 : 115-117. 1908. 



Anonymous. (5251) 



pruning trees and shrubs. Pa. Arbor Day Manual 1913: 127-129, illus. 

 1913. 



Anonymous. (5252) 



pruning trees when planted. R. I. Agr. Expt. Sta. Ann. Rept. 11 (pt. 2) : 

 107-110, illus. 1898. 



Anonymous. (5253) 



should coniferous trees be pruned? Forestry 11 : 633-635. 1885-86. 



Bade, E. (5254) 



some light on tree pruning. Amer. Home 3 (2) : 160. 1929. 



