APPENDIX 



Address List of a Few Firms Dealing in Materials for 

 Demonstrations or Laboratory Work 



Zoological material, e.g. dog-fish, flies, mosquito adults or larvce, etc. : 



(a) Supply Department, Marine Biological Laboratory, Woods Hole, 

 Mass. 



(6) The Chicago Biological Supply House, 5505 Kimbark Avenue, 

 Chicago, 111. 



(c) The Southern Biological Supply Company, Natural History Building, 

 New Orleans, La. 



Microscopic slides: 



(a) Powers and Powers, Sta. A, Lincoln, Neb. 



(&) The Chicago Biological Supply House, 5505 Kimbark Avenue, 

 Chicago, 111. 



(c) Ward's Natural Science Establishment, Rochester, N. Y. 



(d) The Cambridge Botanical Supply Company, Waverley, Mass. 



Living unicellular animals: 

 (a) Powers and Powers, Sta. A, Lincoln, Neb. 



(6) The Chicago Biological Supply House, 5505 Kimbark Avenue, Chi- 

 cago, 111. 



(c) Southern Biological Supply Company, Natural History Building, 

 New Orleans, La. 



(d) Cambridge Botanical Supply Company, Waverley, Mass. 



Microscopes and dissecting instruments: 



(a) The Spencer Lens Company, Buffalo, N. Y. 



(6) Bausch and Lomb Optical Company, Rochester, N. Y. 



(c) Central Scientific Company, 460 East Ohio St., Chicago, 111. 



(d) Arthur H. Thomas Company, Philadelphia, Pa. 



For physiological apparatus: 



(a) The Harvard Apparatus Company, Back Bay P. O., Boston, Mass. 



(&) William Gaertner and Company, 5345 Lake Avenue, Chicago, 111. 



For skeletons and models: 



(a) Ward's Natural Science Establishment, Rochester, N. Y. 

 (6) The Kny-Scheerer Company, 404 West 27th Street, New York City, 

 (c) Charles H. Ward, Rochester, N.Y. 



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