-- Manures
(continued) -- The Analysis of Manures -- The Constituents of Plants
-- The Plant -- Crops -- The Animal -- Foods and Feeding -- Milk and
Milk Products -- The Analysis of Milk and Milk Products --
Miscellaneous Products used in Agriculture -- Appendix -- Index.

#THE UTILISATION OF WASTE PRODUCTS.# A Treatise on the Rational
Utilisation, Recovery and Treatment of Waste Products of all kinds. By
Dr. Theodor KOLLER. Translated from the Second Revised German Edition.
Twenty-two Illustrations. Demy 8vo. 280 pp. Price 7s. 6d. net. (Post
free, 7s. 10d. home; 8s. 3d. abroad.)

#Contents.#

The Waste of Towns -- #Ammonia and Sal-Ammoniac# -- Rational Processes
for Obtaining these Substances by Treating Residues and Waste --
Residues in the Manufacture of Aniline Dyes -- Amber Waste -- Brewers'
Waste -- Blood and Slaughter-House Refuse -- Manufactured Fuels --
Waste Paper and Bookbinders' Waste -- Iron Slags -- Excrement --
Colouring Matters from Waste -- Dyers' Waste Waters -- Fat from Waste
-- Fish Waste -- Calamine Sludge -- Tannery Waste -- Gold and Silver
Waste -- India-rubber and Caoutchouc Waste -- Residues in the
Manufacture of Rosin Oil -- Wood Waste -- Horn Waste -- Infusorial
Earth -- Iridium from Goldsmiths' Sweepings -- Jute Waste -- Cork
Waste -- Leather Waste -- Glue Makers' Waste -- Illuminating Gas from
Waste and the By-Products of the Manufacture of Coal Gas -- Meerschum
-- Molasses--Metal Waste -- By-Products in the Manufacture of Mineral
Waters -- Fruit -- The By-Products of Paper and Paper Pulp Works --
By-Products in the Treatment of Coal Tar Oils -- Fur Waste -- The
Waste Matter in the Manufacture of Parchment Paper -- Mother of Pearl
Waste -- Petroleum Residues -- Platinum Residues -- Broken Porcelain,
Earthenware and Glass -- Salt Waste -- Slate Waste -- Sulphur -- Burnt
Pyrites -- Silk Waste -- Soap Makers' Waste -- Alkali Waste and the
Recovery of Soda--Waste Produced in Grinding Mirrors -- Waste Products
in the Manufacture of Starch -- Stearic Acid -- Vegetable Ivory Waste
-- Turf -- Waste Waters of Cloth Factories -- Wine Residues --
Tinplate Waste -- Wool Waste -- Wool Sweat -- The Waste Liquids from
Sugar Works -- Index.

#WRITING INKS AND SEALING WAXES.# (p. c11)

#INK MANUFACTURE:# Including Writing, Copying, Lithographic, Marking,
Stamping, and Laundry Inks. By Sigmund LEHNER. Three Illustrations.
Crown 8vo. 162 pp. Translated from the Ge