AGRICULTURAL TEXT BOOKS 



FOR 



HIGH SCHOOLS 



This series of agricultural books, of which "Field Crops" is a representative, 

 is planned especially for high schools in which agriculture is taught. The books con- 

 stitute a complete four-year graded course in agriculture. Each book is complete 

 in itself, and its scope is well within the limits of the course. They are written by 

 men eminent in their line, and who are well known for their clear and concise pre- 

 sentation of facts. Each of the books listed below have suggestive subjects for dis- 

 cussion and demonstration at the close of each chapter. The series constitutes a 

 complete, concise, and practical course that will meet the urgent needs of the modern 

 agricultural high schools and of short courses in schools and colleges. 

 Beginnings in Animal Husbandry, by CHAS. S. PLUMB, Professor of Animal Husbandry, 

 University of Ohio, and Author of "Types and Breeds of Farm Animals," "Indian Corn 

 Culture," etc. This is the first volume prepared on the subject of Animal Husbandry 

 that is particularly adapted to agricultural students of high school grade. Professor Plumb 

 has long been known as one of the leading instructors and investigators in the Animal 

 Husbandry field, as a judpe of live stock, and as a clear thinker and interesting writer on 

 live stock subjects. In this volume he has concentrated the lessons of his many years' 

 experience in teaching and experimentation. The matter is presented in a simple, practical 

 manner that makes it parti p ula-ly va'uable for the purposes for which it is intended. 



Among the impo-tant subjects discussed are: The Importance of Animal Husbandry; 

 Breeds of Horses, Cattle, Sheep, and Swine; Animal Type and its Importance; Reasons and 

 Methods of Judging Live Stock; Points of the Horse; Judging Horses, Cattle, Sheep, Swine, 

 etc.; Heredity: Its Meaning and Influence; Selection and Its Importance; Pedigrees and 

 Their Value; Suggestions to Young Breeders; Composition of Plants and Animals; Influence 

 of Foods on the Body; Feeding Standards, Origin and Use; How to Calculate a Ration; 

 Coarse Feeds and Their Values; Concentrated Feed and Their Value; Care of Farm Animals, 

 Poultry: Types and Breeds, Judging, Feeding; Eggs and Incubation; Poultry Houses. 



This ia a book of 393 pages, 216 illustrations, well printed and durably bound. Price 

 $1.25 net. 



Soils and Soil Fertility, by A. R. WHITSON, Professor of Soils, University of Wisconsin, and 

 H. L. WALSTER, Instructor of Soils, University of Wisconsin. This is a book especially 

 prepared as a text book on the subject of Soils for high school courses in agriculture and short 

 courses in colleges. There are chapters on the following subjects: Conditions Essential 

 to Plant Growth, Origin and Classification of Soils; Primary Relations of Soil and Plant; 

 Nitrogen; Phosphorus and Po f ash; Soil Analyses; Farm Manures; Commercial Fertilizers; 

 Physical Properties of Soils; Water Supply; Temperature and Ventilation of Soils; Drain- 

 age; Erosion; Tillage; Humus; Relation of Crops to Climate and Soils; Soils of the United 

 States; Management of Important Type? of Soils; Dry Farming. The explicit language of 

 this book and the avoidance of complicating scientific data and technical terms make it weL 

 within the comprehension of young students. They will find in it a fascinating study of 

 soils and the practical ways of handling land to produce good crops. A well-chosen set 

 of laboratory exercises and demonstrations, with complete directions, is also included. 

 These are simple, easily carried out, and are fundamental. The book has 315 pages, well 

 illustrated, printed on high-grade paper, bound durably in cloth. Price, $1.25 net. 

 Agricultural Engineering, by J. B. DAVIDSON, Professor of Agricultural Engineering, Iowa 

 State College, and Joint Author of "Farm Machinery and Farm Motors." A practical 

 elementary book on the subject of Rural Engineering for use in high schools. The funda- 

 mental principles of agricultural engineering are presented in a simple, practical manner 

 entirely within the comprehension of the young. 



Among the subjects discussed are: Agricultural Surveying, Drainage, Irrigation, Road 

 Construction; Farm Machinery, including the Relation of Farm Machinery to Farm Opera- 

 tions, Elements of Machines, Materials and Lubrications, Seeding Machinery, Harvesting 

 Machinery; Tillage Machinery, Combined Harvester and Thrasher, Manure Spreaders, 

 Haying Machinery, Threshing Machinery, Feed Cutters, Huskers and Shredders, Feed 

 Mills, Wagons, Buggies, Sleds, and Pump Machinery; Farm Motors, including Sources of 

 Energy, Transformation of Energy, Prime Movers, and Hand Work; Wind Mills, Steam 

 Engines, Steam and Gas Tractors, and Electric Motors; Farm Structures and Farm Sanita- 

 tion, and Rope Work. This book contains 552 pages, with 342 illustrations from photo- 

 graphs and drawings, printed on high grade paper from clear type, and is handsomely 

 bound in durable cloth covers. Price, $1.50 net. 



Every effort has been made by authors and publishers to make these books 

 interesting, practical, and reliable. Instructors, teachers, and students of agri- 

 culture in general will find these books admirably suitable as text books and as 

 sources of information and inspiration in these four great divisions of agriculture. 

 Send all orders to WEBB PUBLISHING COMPANY, Saint Paul, Minnesota 



