HOPS IN THEIR BOTANICAL, AGRICULTURAL AND TECHNICAL ASPECT, AND AS AN ARTICLE OF COMMERCE. By EMMANUEL GROSS, Professor at the Higher Agricultural College, Tetschen-Liebwerd. Translated from the German. Seventy-eight Illustrations. 340 pp. Demy 8vo. Price 10s. 6d. net. (Post free, 11s. home; 11s 6d. abroad.) A BOOK ON THE DISEASES OF PLANTS, FUNGICIDES AND INSECTICIDES, ETC. Demy 8vo. About 500 pp. [_In the press._ (Wood Products, Timber and Wood Waste.) WOOD PRODUCTS: DISTILLATES AND EXTRACTS. By P. DUMESNY, Chemical Engineer, Expert before the Lyons Commercial Tribunal, Member of the International Association of Leather Chemists; and J. NOYER. Translated from the French by DONALD GRANT. Royal 8vo. 320 pp. 103 Illustrations and Numerous Tables. Price 10s. 6d. net. (Post free, 11s. home; 11s. 6d. abroad.) 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. net. (Post free, 13s. home; 14s. abroad.) THE UTILISATION OF WOOD WASTE. Translated from the German of ERNST HUBBARD. Crown 8vo. 192 pp. Fifty Illustrations. Price 5s. net. (Post free, 5s. 4d. home; 5s. _6d_. abroad.) (_See also Utilisation of Waste Products, p. 9._) (Building and Architecture.) ORNAMENTAL CEMENT WORK. By OLIVER WHEATLEY. Demy 8vo. 83 Illustrations. 128 pp. Price 5s. net. (Post free, 5s. 4d. home; 5s. 6d. abroad.) [_Just published._ THE PREVENTION OF DAMPNESS IN BUILDINGS; with Remarks on the Causes, Nature and Effects of Saline, Efflorescences and Dry-rot, for Architects, Builders, Overseers, Plasterers, Painters and House Owners. By ADOLF WILHELM KEIM. Translated from the German of the second revised Edition by M.J. SALTER, F.I.C., F.C.S. Eight Coloured Plates and Thirteen Illustrations. Crown 8vo. 115 pp. Price 5s. net. (Post free, 5s. 3d. home; 5s. 4d. abroad.) HANDBOOK OF TECHNICAL TERMS USED IN ARCHITECTURE AND BUILDING, AND THEIR ALLIED TRADES AND SUBJECTS. By AUGUSTINE C. PASSMORE. Demy 8vo. 380 pp. Price 7s. 6d. net. (Post free, 8s. home; 8s. 6d. abroad.) (Foods, Drugs and Sweetmeats.) FOOD AND DRUGS. By E.J. PARRY, B.Sc., F.I.C., F.C.S. Volume I. The Analysis of Food and Drugs (Chemical and Microscopical). Royal 8vo. 724 pp. Price 21s. net. (Post free, 21s. 8d. home; 22s. abroad.) Volume II. The Sale of Food and Drugs Acts, 1875-1907. Royal 8vo. 184 pp. Price 7s. 6d. net. (Post free, 7s. 10d. home; 8s. abroad.) [_Just published._ THE MANUFACTURE OF PRESERVED FOODS AND SWEETMEATS. By A. HAUSNER. With Twenty-eight Illustrations. Translated from the German of the third enlarged Edition. Crown 8vo. 225 pp. Price 7s. 6d. net. (Post free, 7s. 9d. home; 7s. 10d. abroad.)