BOOKS ON AGRICULTURE 



THE PRINCIPLES OF BREEDING: THREMMATOLOGY 



By EUGENE DAVENPORT, Dean of the College of Agriculture, Director of the 

 Agricultural Experiment Station, and Professor of Thremmatology in the Uni- 

 versity of Illinois. 8vo, cloth, 727 pages, illustrated, $2.50. 



" Principles of Breeding " is a pioneer in the worthy endeavor to collate with 

 the practical side of breeding the results of recent research in the processes and 

 factors which govern the evolution of plants and animals. 



FUNGOUS DISEASES OF PLANTS 



By BENJAMIN MINGE DUGGAR, Professor of Plant Physiology in Cornell Univer- 

 sity. 8vo, cloth, 508 pages, illustrated, $2.00. 



IN this book are presented many of the vital facts brought to light by modern 

 research in plant pathology, which should be invaluable to farmers, gardeners, 

 and every one interested in plants. 



SOIL FERTILITY AND PERMANENT AGRICULTURE 



By CYRIL GEORGE HOPKINS, Professor of Agronomy in the University of Illinois, 

 Chief in Agronomy and Chemistry and Vice Director in the Illinois Agricultural 

 Experiment Station. 8vo, cloth, xxiii + 653 pages, $2.25. 



A BOOK of the times, for the farmer and agricultural student. By means of 

 statistics gathered from the agricultural experiment stations in different parts of 

 the United States, Professor Hopkins shows why the ordinary farmer reaps such 

 comparatively poor results for his labor, and demonstrates the scientific but 

 practical remedies for the depletion of the soil in each section of .the country. 



EXAMINING AND GRADING GRAINS 



By THOMAS L. LYON, Professor of Experimental Agronomy in the Federal 

 Experimental Station, Cornell University, and EDWARD G. MONTGOMERY, Assist- 

 ant Professor of Field Crops in the University of Nebraska. i2mo, cloth, 101 

 pages, illustrated, 60 cents. 



Lyon and Montgomery 's " Suggestions to Teachers using Examining and Grading 

 Grains " will be sent free, on application, to any teacher of agriculture. 



THE exercises, of which this book is largely composed, are designed to give 

 the student thorough drill in the study of the structure and quality of all of the 

 cereals, in the identification of seeds of the common grasses, millets, and leg- 

 umes, and in judging the quality of hay of these crops. 



TYPES AND BREEDS OF FARM ANIMALS 



By CHARLES SUMNER PLUMB, Professor of Animal Husbandry in the College of 

 Agriculture of the Ohio State University. 8vo, cloth, 563 pages, illustrated, #2.00. 



" Types and Breeds of Farm Animals " includes a discussion of the original 

 habitat of breed development, with pages on European history, special American 

 history, the work of pioneer breeders, famous animals, families or tribes, breed 

 characteristics, and breed and individual records. 



GINN AND COMPANY PUBLISHERS 



