29 



aad Rain ; Vegetable Enemies of tlie Hop : Animal Enemies oF the Hop— Beneficial Insects on 

 Hops— CULTIVATION— The Requirements of the Hop in Respect of Climate, Soil and 

 Situation: Climate; Soil; Situation— Selection of Variety and Cuttings— Planting a Hop 

 Garden: Drainage; Preparing the Ground; Marking-out for Planting; Planting; Cultivation 

 and Cropping of the Hop Garden in the First Year— Work to be Performed Annually in the 

 Hop Garden: Working the Ground; Cutting; The Non-cutting System; The Proper Per- 

 formance of the Operation of Cutting: Method of Cutting; Close Cutting, Ordinary Cutting, 

 The Long Cut, The Topping Cut; Proper Season for Cutting: Autumn Cutting, Spring 

 Cutting; Manuring; Training the Hop Plant: Poled Gardens, Frame Training ; Principal 

 Types of Frames; Pruning, Cropping, Topping, and Leaf Stripping the Hop Plant; Picking, 

 Drying and Bagging— Principal and Subsidiary Utilisation of Hops and Hop Gardens— Life 

 of a Hop Garden ; Subsequent Cropping— Cost of Production, Yield and Selling Prices. 



Preservation and Storage- Physical and Chemical Structure of the Hop Cone— Judging 

 the Value of Hops. 



Statistics of Production— Tlie Hop Trade— Index. 



Timber and Wood Waste. 



TIMBER : A Comprehensive Study of Wood in all its Aspects 

 (Commercial and Botanical), showing the Different Applications and 

 Uses of Timber in Various Trades, etc. Translated from the French 

 of Paul Charpentier. Royal 8vo. 437 pp. 178 Illustrations. Price 

 12s. 6d. ; India and Colonies, 13s. 6d. ; Other Countries, 15s.; net. 



Contents. 



Physical and Chemical Properties of Timber— Composition of the Vegetable Bodies 

 — Chief Elements — M. Fremy's Researches — Elementary Organs of Plants and especially of 

 Forests — Different Parts of Wood Anatomically and Chemically Considered — General Pro- 

 perties of Wood — Description of the Different Kinds of Wood— Principal Essences with 

 Caducous Leaves — Coniferous Resinous Trees — Division of the Useful Varieties of Timber 

 in the Different Countries of the Globe — European Timber — African Timber — Asiatic 

 Timber — American Timber — Timber of Oceania — Forests — General Notes as to Forests ; their 

 Influence — Opinions as to Sylviculture — Improvement of Forests — Unwooding and Rewooding 

 — Preservation of Forests — Exploitation of Forests — Damage caused to Forests — Different 

 Alterations— The Preservation of Timber — Generalities— Causes and Progress of De- 

 terioration — History of Different Proposed Processes— Dessication— Superficial Carbonisation 

 of Timber — Processes by Immersion — Generalities as to Antiseptics Employed — Injection 

 Processes in Closed Vessels — The Boucherie System, Based upon the Displacement of the 

 Sap — Processes for Making Timber Uninflammable — Applications of Timber — Generalities 

 — Working Timber— Paving — Timber for Mines — Railway Traverses — Accessory Products — 

 Gums — Works of M. Fremy — Resins — Barks — Tan— Application of Cork — The Application of 

 Wood to Art and Dyeing — Different Applications of Wood — Hard Wood — Distillation of 

 Wood — Pyroligneous Acid— Oil of Wood — Distillation of Resins — Index. 



THE UTILISATION OF WOOD WASTE. Translated from 

 the German of Ernst Hubbard, Crown 8vo. 192 pp. Fifty Illustra- 

 tions. Price 5s. ; India and Colonies, 5s. 6d. ; Other Countries, 6s. ; net. 



Contents. 



General Remarks on the Utilisation of Sawdust — Employment of Sawdust as Fuel, 

 with and without Simultaneous Recovery of Charcoal and the Products of Distillation — 

 Manufacture of Oxalic Acid from Sawdust — Process with Soda Lye ; Thorn's Process ; 

 Bohlig's Process — Manufacture of Spirit (Ethyl Alcohol) from Wood Waste — Patent Dyes 

 (Organic Sulphides, Sulphur Dyes, or Mercapto Dyes) — Artificial Wood and Plastic Com- 

 positions from Sawdust — Production of Artificial Wood Compositions for Moulded De- 

 corations — Employment of Sawdust for Blasting Powders and Gunpowders — Employment 

 of Sawdust for Briquettes — Employment of Sawdust in the Ceramic Industry and as an 

 Addition to Mortar — Manufacture of Paper Pulp from Wood — Casks — Various Applications 

 of Sawdust and Wood Refuse — Calcium Carbide— Manure — Wood Mosaic Plaques — Bottle 

 Stoppers — Parquetry — Fire-lighters— Carborundum — The Production of Wood Woo' — Bark — 

 Index. 



