PKEFACE vii 



M.Tnst.C.E., Cardiff; Mr. Frank Howarth, M.Inst.C.E, 

 Plymouth ; Mr. S. Chapman, M.Inst.C.E., Torquay ; Mr. 

 J. H. H. Swiney, M.Inst.C.E, Belfast ; and Dr. P. C. Cowan, 

 Local Government Board, Dublin, contributed valuable 

 information and aided my researches in various ways. 

 Prof. Percy F. Kendall, Leeds University ; Mr. W. B. 

 Crump, M.A., Eastrick ; Mr. Frank Elgee, Middlesbrough ; 

 Mr. G. P. Gordon, Lecturer in Forestry, West of Scotland 

 Agricultural College, Glasgow ; and Mr. James Whitton, 

 Superintendent of Parks, Glasgow, furnished me with plans, 

 photographs, and lantern slides, which proved very useful 

 in the lectures given before the Chadwick Society and in 

 the preparation of this book. 



The plates illustrating the work have been borrowed 

 from various sources, and acknowledgements and thanks 

 are now tendered for the loan of blocks to Mr. Edward 

 Arnold, Frontispiece, from A. C. Forbes, Development of 

 British Forestry, and Fig. 6, from Cohen and Euston, 

 Smoke; to Mr. John Murray, Figs. 14 and 16, from E. P. 

 Stebbing, British Forestry ; to the Council of the Eoyal 

 Irish Academy, Fig. 13, from Pethybridge and Praeger, 

 Vegetation South of DuUin ; to Mr. P. E. Martineau, 

 Secretary, Midland Eeafforesting Association, Figs. 7, 8, 

 9, from Annual Eeports ; to Superintendent, Linford Sana- 

 torium, Fig. 1, from Booklet; to Town Clerk, Bournemouth, 

 Fig. 2, from Handbook ; to Mr. W. H. Morter, Superin- 

 tendent, Parks of Birmingham, Fig. 4, from Handbook ; to 

 Mr. Eobert Anderson, Printer, Glasgow, Fig. 5, from Municipal 

 Glasgow; to Mr. E. Galloway, Secretary, Figs. 15, 17, 22, 

 26, 31, 32, 33, from Transactions of the Eoyal Scottish 

 Arloricultural Society ; to Prof. W. Somerville, Editor, Figs. 

 12, 24, 25, 27, from Quarterly Journal of Forestry; to 

 Editor, Gardeners' Chronicle, Figs. 21, 28, 29, 30; to 



