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Whetzel’s | 
History of Phytopathology 
In this new book Prof. Whetzel sets forth in rather comprehensive outline 
the outstanding features in the evolution of the science of plant pathology. 
He divides his subject into five Eras—The Ancient Era (from earliest times 
to end of 5th century); The Dark Era (6th to 16th centuries inclusive) ; 
The Premodern Era (1600 to about 1850); The Modern Era (1853 to about 
1906); The Present Era (1906—). These Eras he in turn divides into 
Periods. He gives a general survey of each Era and each Period, crystal- 
lizes the evolutionary movement of each; gives interesting biographic 
sketches of the predominant figures, frequently including portraits, and at 
the end of each Period adds a concise summary. Bibliographic references 
are numerous. Indeed the literature is here largely brought together for 
the first time. 
12mo of 130 pages, with portraits. By Hersert Hics Wuerzet, Professor of Plant Pathology, Cornell 
University, Ithaca, New York. Cloth, $1.75 net. 
Fred’s Soil Bacteriology Dietrich’s Live Stock 
Laboratory Manual of Soil Bacteriology. 
By E. B. Frep, Ph.D., Associate Professor 
° Agricultural Bacteriology, College of 
iculture, University of Wisconsin. 12mo 
of 170 pages, illustrated. Cloth, $1.25 net. 
Particularly valuable to students of soil 
chee chemistry, physics, plant path- 
ology. 
Kaupp’s Poultry Culture 
Pouliry Culture, Sanitation, Hygiene. By 
B. F. Kavrr, M.S., D.V.M., Poultry In- 
vestigator and Pathologist, North Carolina 
Experiment Station. 12mo, 418 pages, 197 
illustrations. Cloth, $2.00 net. 
Every side from names and breeds, to care 
and marketing. 
Livestock onthe Farm. By Wi..1am Driet- 
RIcH, Ph.D., Head of the Department of 
Animal and Dairy Husbandry, University 
of Minnesota, Crookston Branch. 12mo 
of 269 pages, illustrated. Cloth, $1.50 net. 
A clear presentation of economic livestock 
raising. 
Hadley’s The Horse 
The Horse in Health and Disease. By 
Freperick B. Hapiry, D.V.M., Associate 
Professor of Veterinary Science, Univer- 
sity of Wisconsin. 12mo of 260 pages, 
illustrated. Cloth, $1.50 net. 
Widely used in agricultural and veterin- 
ary schools. 
W. B. SAUNDERS COMPANY Philadelphia and London 
