E. G. HASTINGS
Professor of Agricultural Bacteriology
University of Wisconsin
TENTH EDITION
MADISON, WISCONSIN
H. L. RUSSELL
1914
Copyright 1914
BY
H. L. RUSSELL and E. G. HASTINGS
Professor of Agricultural Bacteriology
University of Wisconsin
TENTH EDITION
MADISON, WISCONSIN
H. L. RUSSELL
1914
Copyright 1914
BY
H. L. RUSSELL and E. G. HASTINGS