REFERENCE LISTS 
I. Laboratory apparatus, supplies, materials for study, etc., 
1. 
10. 
may be had from the following addresses: 
Bausch & Lomb Optical Co., Rochester, N. Y., or 
Stewart Building, Chicago. Microscopes, glassware, 
chemicals, and general supplies for the laboratory. 
. Cambridge Botanical Supply Company, Cambridge, 
Mass. Preserved materials for study. 
. Eimer & Amend, 205 Third Avenue, New York. Gen- 
eral supplies. 
. Ithaca Botanical Supply Company, Ithaca, N.Y. Ma- 
terials for study. 
. L. E. Knott Apparatus Company, Ashburton Place, 
Boston, Mass. General apparatus. 
. William Krafft, 411 West Fifty-ninth Street, New 
York, or E. Leitz, 659 W. Congress Street, Chicago. 
The Leitz microscopes. 
McCallum & Coulter, Washington University, St. 
Louis, Mo. Prepared slides for the microscope and 
lantern slides. 
Queen & Co., 1010 Chestnut Street, Philadelphia. Mi- 
croscopes and general supplies. 
. Richards & Co., 46 Park Place, New York. Reichert 
microscopes. 
Spencer Lens Company, Buffalo, New York. Micro- 
scopes and general supplies. 
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