xii rOKESTS, WOODS, AND TREES 



FI". PAGE 



22. Plantation of Tsuga Alhertiana at Murtlily . Facing 132 



23. Forest of Western Larch in Idaho . . ,,133 



24. Japanese Larch, planted nine years . . ,,140 



25. European Larch at Langley Park . . . ,,140 



26. Sitka Spruce at Durris, Kincardineshire , . ,,141 



27. Beech at Ashridge Park . . . . ,, 141 



28. Abies nobilis plantation at Durris, with a few oak standards 



overhead ; Japanese Larch in the background . Facing 146 



29. Gupressus macrocarpa, nineteen years planted, in Phoenix 



Park, Dublin .... 



30. Thuya gigantea plantation at Benmore 



31. Thuya gigantea as shelter tree on plantation margi 



32. Popuhis regenerata at Glasnevin . 



33. Popul'us Eugenei at Kew . 



34. Map : North of England Catchment Areas 



35. Map : Lancashire Catchment Areas 



36. Map : Yorkshire, Cheshire, and Derbyshire Catchment 



Areas . . . . . .191 



37. Plan : Blackburn. Brennand and Whitendale Catchment 



Area. ...... 196 



38. Map : Longdendale, Derwent Valley, and neighbouring 



Catchment Areas ..... 206 



39. Map: Midland and Severn Valley Catchment Areas . 213 



40. Map : Somerset, Devon, and Cornwall Catchment Areas . 223 

 Wales Catchment Areas . . . .231 

 West, Central, and South Scotland Catchment Areas 248 

 Edinburgh. Glencorse Burn Catchment Area . 266 

 Edinburgh. Talla Water Catchment Area . . 268 

 Clackmannan, Fife, East Perth, and Forfar Catch- 

 ment Areas ...... 273 



Plan : Kirkcaldy District. Slateford Burn and River Farg 



Catchment Areas . . . . .278 



47. Map 



48. Map 



49. Map 



Inverness, Ross, and Aberdeen Catchment Areas . 283 

 North Ireland Catchment Areas . . .288 



South Ireland Catchment Areas . . . 297 



