Root Co., The A. I. 
| Medina, Ohio 
Schell, Inc., Walter S. 
| Harrisburg, Pa. 
Schoemann & Mayer, Inc. 
| New York, N. Y. 
Vaughan’s Seed Store 
Chicago, III. 
Western Stoneware Co. 
Monmouth, III. 
Woodcraft Co., The. 
Dalton, N. 
Woodworking Specialty Co 
Crystal Lake, Ill. 
Youngstown, Ohio 
HUMUS 
American Soil Sponge Selling Corp. 
New York, N. Y. 
Florida Humus Co. 
Zellwood, Fla. 
Hyper-Humus Co. 
Newton, N. J. 
McCullough Seed Co., The J. Chas. 
Cincinnati, Ohio 
Sewerage Commission 
| Milwaukee, Wis. 
Schell, Inc., Walter S. 
Harrisburg, Pa. 
Vaughan’s Seed Store 
Chicago, III. 
INCUBATORS 
Springfield, Ohio 
‘Hoeft & Co. 
| North Chicago, Ill. 
‘Makomb Steel Products Co. 
Macomb, IIl. 
Quincy, Ill. 
INOCULANTS 
Agricultural Laboratories, Inc. 
| Columbus, Ohio 
‘Craver-Dickinson Seed Co. 
Buffalo, N. Y. 
Dickinson Co., The Albert 
Chicago, III. 
Earp-Thomas Laboratories, Inc. 
Bloomfield, N. J. 
Hansen Inoculating Co. 
Urbana, II. 
Kalo Inoculant Co. 
Quincy, III. 
McCullough Seed Co., The J. Chas. 
_ Cincinnati, Ohio ; 
Nitragin Co., Inc., The 
Milwaukee, Wis. 
Peppard Seed Co. 
Kansas City, Mo. 
Philadelphia Seed Co. 
Philadelphia, Pa. 
Schell, Inc., Walter S. 
Harrisburg, Pa. 
Urbana Laboratories, The 
Urbana, IIl. : 
Vaughan’s Seed Store 
Chicago, Ill. 
Woodruff & Sons, Inc., F. H. 
Milford, Conn. 
INSECT BURNERS 
Aeroil Burner Co, - 
West New York, N. J. 
Dobbins Mfg. Co, 
Elkhart, Ind. 
INSECTICIDES—ANIMAL 
Agricultural Laboratories, Inc. 
olumbus, Ohio 

American Cyanamid & Chemical Corp. 
New York, N. Y 
BUYERS GUIDE 

Boyle Co., The A. S. 
Jersey City, N. J. 
C-A-Wood Preserver Co. 
St. Louis, Mo. 
Conkey Co., G. E. 
Cleveland, Ohio 
Douglas Chemical & Supply Co. 
Kansas City, Mo. 
Dow Chemical Co. 
Midland, Mich. 
Hammond Paint & Chem. Co. 
Beacon, N. Y. 
LeGear Medicine Co., Dr. L. D. 
St. Louis, Mo. 
McCormick Sales Co., The 
Baltimore, Md. 
Mechling Bros. Chemicals 
Philadelphia, Pa. 
Merck & Co., Ine. 
Rahway, N. J. 
Nott Mfg. Co. 
New York, N. Y. 
One-Spot Co. 
Elkridge, Md. 
Rotenone Products Co., Inc. 
East Orange, N. J. 
Tobacco By-Products & Chem. Corp. 
Louisville, Ky. 
INSECTICIDES—HOUSEHOLD 
Agricultural Laboratories, Inc. 
Columbus, Ohio 
American Cyanamid & Chemical Corp. 
New York, N. Y. 
Boyle Co., The A. S. 
Jersey City, N. J. 
Douglas Chemical & Supply Co. 
Kansas Citv. Mo. 
Dow Chemical Co. 
Midland, Mich. 
Hammond Paint & Chemical Co. 
Beacon, N. Y. 
Innis, Speiden & Co. 
New York, N. Y. 
McCormick Sales Co., The 
Baltimore, Md. 
Mechling Bros. Chemicals 
Philadelphia, Pa. 
Nott Mfg. Co. 
New York, N. Y. 
Rose Mfg. Co. 
Beacon, N. Y. 
INSECTICIDES—PLANT 
Agricultural Laboratories, Inc. 
Columbus, Ohio 
American Agricultural Chem. Co., The 
New York, N. Y. 
American Color & Chemical Co. 
Boston, Mass. 
American Cyanamid & Chem. Corp. 
New York, N. Y. 
American Florist Supply Co. 
Chicago, Ill. 
Ansbacher Siegle Corp. 
Brooklyn, N. Y. 
Bonide Chem. Co., Inc. 
Uiticass Na Ys 
Boyle Co., The A. S. 
Jersey City, N. J. 
Buckeye Chem. & Specialty Co. 
New York, N. Y. 
Buist Co., Robert 
Philadelphia, Pa. 
Calif. Spray-Chemical Corp. 
Elizabeth, N. J. 
Douglas Chemical & Supply Co. 
Kansas City, Mo. 
Dow Chemical Co. 
Midland, Mich. 
Du Pont de Nemours & Co., Inc., E. I. 
Wilmington, Del. 
Garden Hose Spray Co., Inc. 
Cambridge, Mass. 
Hammond Paint & Chemical Co. 
Beacon, N. Y. 
Henderson & Co., Peter 
New York, N. Y. 
Holmes Seed Co., The 
Canton, Ohio 



Cauliflower, Zwaan’s Snowdrift 
ZWAAN & VAN 
DER MOLEN 
Voorburg—The Hague 
(Holland) 
We are continuing our stock seed 
and breeding work and will be back 
with you, when the battle is over, 
with our specialties. 
Originators of the Famous CAULI. 
FLOWER ZWAAN’S SNOWDRIFT 
and Many Other Outstanding Strains 
of SPINACH, RADISH, CABBAGE, 
etc. 
American Representative: 
Mr. Norval E. Kirby 
The Chatham, 20th & Walnut Streets 
Philadelphia, Pa. 








‘SOMETHING BETTER’ 
IN GARDEN TOOLS 
| HU : 
We offer a Specialized Line of 
Hand Tools and Supplies 
for the 
HOME GARDENER, 
PROFESSIONAL GROWER, 
FLORIST, ORCHARDIST, 
and TREE SURGEON 
Write today for 96 page Catalog 
tg A. M. LEONARD 
| a & SON 
PIQUA, OHIO 
Established 1885 



173 
