This twentieth Journal includes information on: Imported seed; Laboratory germination tests for forest tree seed; Breeding forest trees; The elite tree; Adevice for collecting cones; The storage of beech mast and acorns (silvicultural circular No. 25); Nursery practice (silvicultural circular No. 21); Manuring of nurseries (silvicultural circular No.23); Nursery practice (silvicultural circular No.26); Soil sampling in forest nurseries (appendix to silvicultural circular No.26); The treatment of nursery soils; Acidification at Barcaldine Nursery; Nursery sowing programmes and yields; Selective weed killers in conifer seedbeds and transplant lines; Robinia pseudoacacia; Three provenances of maritime pine in the nursery; Recovery of frosted Sitka spruce seedlings; A note on Australian forestry; The census of woodlands— some impressions; Notes on the state forests in Lincolnshire; Some observations on the Halwill Moors, Devonshire; The Black Wood of Rannoch; Millbuie Forest— Black Isle; Cwmogwr Forest; Selection of species at Radnor Forest; The high elevationexperiment at Beddgelert Forest; Forestry and amenity; Natural regeneration; Recent direct sowing experiments on the Yorkshire Heathlands; Vegetational changes following the afforestation of Calluna Heaths in Yorkshire; Mechanical draining for afforestation; Hints on fencing; Protection of forest fences by tarring of netting; Ploughing plans; Planting bags; The suppression of coppice by weeding; The treatment of a sheep-damaged oak plantation at Nagshead—Forest of Dean; The brashing and thinning of spruces and Douglas fir; Recording of thinning yields in plantations (silvicultural circular No.22); Average yields from thinnings; Estimation of volume of main crop from thinnings in one-tenth acre plots; Crown thinning; The use of stand density indices for describing thinnings; O tempora! O mores!; Treatment of Scots pine plantations in the Black Isle; Larch plantations at Glentress Forest; Rapid growth of Japanese larch in Cornwall; What is hybrid larch?; Height and girth assessment of the parents of the Dunkeld hybrid larch; Observations on ice-dam aged Douglas fir at Kerry forest; Metasequoia glyptostroboides; A rough-barked beech; Highland birch; Three fine specimens of oak in the Forest of Dean; The walnut; Distribution of the moss thuidium tamariscinum in British hardwood stands; The great fire of Hattlich-Eupen, September, 1947; The Chirdon fire; Railway fires and preventive measures; Prevention of fires caused by Commission employees (Director General’s circular); Fire brooms; Grey squirrels at Savernake; Vole damage in the Border forests; A keeper’s day; Vermin trouble; Forest ornithological research in Britain; Ips sexdentatus, an insect pest attacking pine plantations (silvicultural circular No.24); Notes on the die-back of European larch; Coryneum canker of cypress; Dying of groups of Sitka spruce; Bark stripping in the Forest of Dean; The need for care when felling timber; Dragging poles; Notes on the weight and volume of green wood of Scots and Corsican pines (note from Forest Products Research Laboratory); The mechanisation of forest road construction in Scotland; Forest roads and extraction costs; Preservation of existing natural protection for old houses; The use of aerial photographs on census work; Some observations on forest maps and records; The international union of forest research organisations; European Commission on forestry and forest products, Geneva, July, 1948; Organisation and methods at conservancy level; Permanent instructions; The estate section; Filing of proof slips; The staff suggestion scheme (secretary’s circular); Sources of information; Amateur photography in forestry; Touring in Indian forests; New forest common rights; History of Blengdale, Wormgill and Calder; Woodman, square that tree!.