66 The American Museum of Natural History 



Greeley Laboratories, Inc Boston Massachusetts 



Grinnell College Grinnell Iowa 



Grand Rapids Veterinary College Grand Rapids. .Michigan 



Hamilton College Clinton New York 



Harriman Research Laboratory.. New York New York 



Harris, Dr. Cara L Collierville Tennessee 



Harrison, Miss Adele H Tuscaloosa Alabama 



Harsch, Dr. E. M Champaign Illinois 



Harvard University, School of Engineering Cambridge Massachusetts 



Hastings, H. T Toledo Ohio 



Hathaway-Brown School Cleveland Ohio 



Haverford College Haverford Pennsylvania 



Hayden, Dr. G Westford Otsego Co., N. Y. 



Health Department Laboratory Columbus Ohio 



Health Department Highland Park Michigan 



Health Officer's Department Roseband New York 



Hepburn, Dr. Joseph S Philadelphia Pennsylvania 



Hercules Powder Company San Diego California 



Hill Laboratory Buffalo New York 



Hoagland Laboratory Brooklyn New York 



Harvard Medical School Boston Massachusetts 



Hirschfelder, Dr. J. San Francisco California 



Howard University School of Medicine Washington District of Columbia 



Howard Medical School, Department of Bacteriology Boston Massachusetts 



Hubbard, Dr. Osmon H Keene New Hampshire 



Hull, Miss L Boston Massachusetts 



Hunter College New York New York 



Hygienic Laboratory Washington District of Columbia 



Idaho Technical Institute Pocatello Idaho 



Illinois Board Live Stock Commission ...Springfield Illinois 



Illinois Wesleyan University Bloomington Illinois 



Indiana University School of Medicine Indianapolis Indiana 



Indianapolis Water Company Indianapolis Indiana 



Industrial Chemical Institute Milwaukee Wisconsin 



Industrial School of New London New London Connecticut 



Institute of Public Health London Ontario 



Interborough Rapid Transit Company New York New York 



International Laboratories New York New York 



Iowa State Board of Health Iowa City Iowa 



Iowa State Teachers College Cedar Falls Iowa 



Isthmian Canal Commission Health Department Ancon Canal Zone 



Iowa State College Ames Iowa 



Johnson & Johnson New Brunswick New Jersey 



Johns Hopkins Hospital Baltimore Maryland 



Johns Hopkins University Baltimore Maryland 



Jordan, George Boston Massachusetts 



Kansas City Veterinary College Kansas City Missouri 



Kansas State Agricultural College Manhattan Kansas 



Kansas State Normal School Emporia Kansas 



Kansas Wesleyan University Salina Kansas 



Keiser and Boasberg East Windsor Hill Connecticut 



Keith, Simon C Boston Massachusetts 



Kemper Hall Kenosha Wisconsin 



Kentucky Agricultural Experiment Station, State Univ. .Lexington Kentucky 



Kentucky State Board of Health Bowling Green Kentucky 



Kirtland Pumping Station Cleveland Ohio 



Klein, Dr. F New York New York 



Krals Bakteriologisches Museum Vienna Austria 



Kramer, S. D New York New York 



The Kolynos Company New Haven Connecticut 



Lafayette College. Easton Pennsylvania 



Lake Erie College Painesville Ohio 



Laval University Montreal — Canada 



