CONTENTS. 



The Society does not hold itself responsible for the statements- 

 or views expressed by the authors of papers. 



PAGE 



15. Report of Forestry Commission, 1920-21 . . .121 



16. Farm Forestry. By A. W. Borthwick, D.Sc, O.B.E. . 124 



17. Silviculture in Trinidad. By G. I. Campbell . . .132 



18. Forest Insects on the Culbin Sands. By J. W. Munro, D.Sc. 136 



19. Form- Factor as an Expression of the Degree of Taper in 



Coniferous Trees. (With Figures.) By Mark L. Anderson 141 



20. Logging in North-West America (British Columbia and 



Pacific States). (With Plates) By James Kay . 



21. Continental Notes— France. By A. G. Hobart- Hampden 



22. Sample Plot Investigations in Scotland. By H. M. Steven 



Ph.D 



23. The Douglas Fir Chermes .... 



24. Some Remarks on British Forest History. By H. G 



Richardson. (Continued from Vol. xxxv. p. 166) . 



25. The Geographical Range of Sitka Spruce, Western Larch 



and Douglas Fir, By James Kay 



26. Report of the Annual Excursion. By R. A. Galloway, B.Sc 



27. Empire Forestry ...... 



28. Report on the Forestry Exhibition at the Highland and 



Agricultural Society's Show. By Johnston Edwards 



29. Report of Estate Nurseries and Plantations Competitions 



1922 ....... 



30. Studies in the Pathology of Young Trees and Seedlings 



(With Plates.) By Malcolm Wilson, D.Sc, F.R.S.E. 

 F.L.S., Lecturer in Mycology, University of Edinburgh 



152 



158 



166 

 171 



174 



197 



202 

 215 



218 



226 



Obituary:— Sir Isaac Bayley Balfour, K.B.E., F.R.S.— 



Henry J. Elwes ...... 236 



