308 
Exmoor, plantations on, 116 
Exposure and planting, 105, 116 
Fernow, E. B., 11 
Fescue, 108 
Filtration of water supply, 104, 226 
Fisher, W. R., 96 
Floods diminished by forests, 7, 9 
Forest air, 16 
Forest influence— 
on air temperature, 3 
on climate, 1 
on erosion of the soil, 1, 7 
on floods, 7, 8, 9 
on flow of streams, 10 
on rainfall, 3 
on silting of reservoirs, 76 
on snow melting, 5 
on soil temperature, 3 
on springs, 7 
on water supply, 6 
Forestry societies and schools, 66 
Forestry work at MHairmyres for 
tuberculous patients, 28 
Forests— 
absence of, on west coast, 114 
aesthetic value of, 18 
and climate, 1 
and hygiene, 13 
and underground water, 16 
as sites for sanatoria, 20 
bacteria in air and soil of, 17 
drainage by, improving health, 16 
of conifers and tuberculosis, 22, 
26 
on mountain watersheds, 9 
sanitary influence of, 13 
villages in, free from cholera, 17 
Fraxinus excelsior, 50, 119, 149 
Frosts, spring, and peat-bogs, 15 
Furze, 108 
Games, organised, in parks, 37 
Gathering grounds. See Water catch- 
ment areas 
Giandotti, M., 2 
Ginkgo biloba, 55 
Glasgow Municipal Forest, 41 
Gordon, G. P., 31, 32 
Gordon, Dr. W., 14 
Grants for afforestation, 80 
Grass moors, 111 
Grazing, zone of hill, 106 
Grazing in larch plantations, 117 
FORESTS, WOODS, AND TREES 
Hairmyres Colony Sanatorium, 27 
Hairmyres forest nursery, 28 
Hall and Maxwell, 8 
Hamburger, Prof., 25 
Hardie, Dr. M., 114 
Hawes, Austin F., 11 
Hay fever, 20 
Hazel, 150 
Health and forests, 18 
Heather, 109 
Heaths, 106, 109 
Hemlock spruce, 144 
Henzell, C. G., 100 
Hill pasture, 106, 117 
Hill, Prof. Leonard, 22 
Hinsdale, Dr. Guy, 32 
Hollies for towns, 54 
Holmes, Basil, 38 
Hornbeam, 157 
Horse chestnut, 51 
Huftel Ga 12a, 
Hybrid trees, 121 
Hydrogen peroxide, 16 
Ilex, hybrids of, 54 
India, forest influence on climate 
of, 2 
Interplanting, 134 
Ionisation of forest air, 17 
Juglans nigra, 47, 168 
Juneus, 111 
Kellogg, Frank B., 18 
Knockboy plantation, 127 
Laburnum, 53 
Lanark, afforestation scheme at 
Camps, 29 
Landes, forests of, improving health, 
18 
Larch— 
European, 15, 93, 98, 139 
Japanese, 142 
western, 143 
woods and grazing, 117 
Laurel, 19 
Lawson cypress, 19, 146 
Lawson, Dr. David, 22 
Lees, E. A., 103 
Leighton, M. O., 8 
Lime trees, species of, 51 
Liquidambar, 53 
| Loomis, Dr. A. L., 21 
