48 THE MICROSCOPE. 



EXCHANGES. 



(Exchanges are inserted on this page without charge. Subscribers having 

 microscopic apparatus for sale or exchange can announce the same without 

 charge.) 



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OR SALE. — One copy of Leidy's Rhizopods of North America. Price, 

 $7.50. Address, C. H. STOWELL, Ann Arbor, Mich. 



FOR SALE. — Mounts of renal tube casts and double-stained blood cor- 

 puscles. $1.00 per slide. A. Y. MOORE, 53 Prospect St., Cleveland, 

 Ohio. 



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ILL exchange rubber cement for good slides. EUGENE PINCKNEY, 

 Dixon, 111. 



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OR SALE. — Zentmever's American Grand with Accessories. Cost $500. 

 Sold at a bargain. 'STEPHEN BOWERS, Falls City, Neb. 



ILL exchange histological mounts for equally good slides. FRED. K, 

 SMITH, Ann Arbor, Mich. 



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AVE a large number of histological mounts for exchange. T. B. 

 STOWELL, Ph. D., Cortland, N. Y. 



