Saunders' College Text-Book; 



General Bacteriology. By EDWIN O. JORDAN, Ph. D., Professor 

 of Bacteriology, University of Chicago. Octavo of 66g pages, 

 illustrated. Cloth, $3 25 net. New (j/A) Elition -September, 1916 



This work treats fully of the bacteriology of plants, milk and milk 

 products, dairying, agriculture, water, food preservation; of leather 

 tanning, vinegar making, tobacco curing; of household administration 

 and sanitary engineering. A chapter of prime importance to all stu- 

 dents of botany, horticulture, and agriculture is that on the bacterial 

 diseases of plants. 



Prof. T. J. Burrill, University of Illinois: "I am using Jordan's Bac- 

 teriology for class work and am convinced that it is the best text in 

 existence." 



Bacteriologic Technic. By J. W. H. EYRE, M. D., Bacteriologist 

 to Guy's Hospital, London. Octavo of 525 pages, illustrated. 

 Cloth, $3.00 net. Second Edition July, 1913. 



Dr. Eyre gives clearly the technic for the bacteriologic examination of 

 water, sewage, air, soil, milk and its products, meats, etc. It is a work 

 of much value in the laboratory. The illustrations are practical and 

 serve well to clarify the text. The book has been greatly enlarged. 

 The London Lancet: " It is a work for all technical students, whether 

 of brewing, dairying, or agriculture." 



Soil Bacteriology. By E. B. FRED, PH. G., Associate Professor of 

 Agricultural Bacteriology, College of Agriculture, University of 

 Wisconsin. 170 pages, illus. Cloth, $1.25 net. October, 1916. 



Dr. Fred has very carefully prepared a laboratory manual arranged 

 primarily for students of soil bacteriology, soil chemistry, physics, and 

 plant pathology. It is the outgrowth of many years' experience. The 

 instructions he gives are unusually clear and definite, being based on 

 quantitative results. He sets down a series of practical exercises on soil 

 micro-organisms, on the nitrogen, carbon, sulphur, iron cycles, etc. 



