.--VII., Artificial
Manures--Bones--Boiled and Steamed Bones--Mineral Phosphates--English
Coprolites--French and Spanish Phosphorites--German and Belgian
Phosphates--Basic Slag--Guanos Proper--Guano Phosphates.--VIII., Mineral
Manures--Common Salt--Potash Salts--Calcareous Manures--Prepared
Nitrogenous Manures--Ammoniacal Compounds--Sodium Nitrate--Potassium
Nitrate--Organic Nitrogenous Matters--Shoddy--Hoofs and Horns--Leather
Waste--Dried Meat--Dried
Blood--Superphosphates--Composition--Manufacture--Section of
Manure-Shed--First and Ground Floor Plans of Manure-Shed--Quality of
Acid Used--Mixings--Special Manures--Potato Manure--Dissolved
Bones--Dissolved Bone Compound--Enriched Peruvian Guano--Special Manure
for Garden Stuffs, etc.--Special Manure for Grass Lands--Special Tobacco
Manures--Sugar-Cane Manure--Compounding of Manures--Valuation of
Manures.--IX., Analyses of Raw and Finished Products--Common Raw
Bones--Degreased Bones--Crude Fat--Refined Fat--Degelatinised
Bones--Animal Charcoal--Bone Superphosphates--Guanos--Dried Animal
Products--Potash Compounds--Sulphate of Ammonia--Extraction in
Vacuo--Description of a Vacuum Pan--French and British Gelatines
compared.--Index.

=Press Opinion.=

"We can with confidence recommend the perusal of the book to all
persons interested in the manufacture of artificial manures, and
also to the large number of farmers and others who are desirous of
working their holdings on the most up-to-date methods, and
obtaining the best possible results, which scientific research has
placed within their reach."--_Wigan Observer._

* * * * *

=ANALYSIS OF RESINS AND BALSAMS.= Demy 8vo. 340 pp. 1901. Price 7s. 6d.;
India and Colonies, 8s.; Other Countries, 8s. 6d.; strictly net.

=Contents.=

Part I., Definition of Resins in General--Definition of Balsams, and
especially the Gum Resins--External and Superficial Characteristics of
Resinous Bodies--Distinction between Resinous Bodies and Fats and
Oils--Origin, Occurrence and Collection of Resinous
Substances--Classification--Chemical Constituents of Resinous
Substances--Resinols--Resinot Annols--Behaviour of Resin Constituents
towards the Cholesterine Reactions--Uses and Identification of
Resins--Melting-point--Solvents--Acid Value--Saponification Value--Resin
Value--Ester and Ether Values--Acetyl and Corbonyl Value--Methyl
Value--Resin Acid--Systematic Resume of the Perfor