234 The Microscope. 



EXCHANGES 



This department is for the benefit of subscribers ivho have microscopical apparatus, 

 material or books which they tvish to exchange, aiul such wants will be inserted free of 

 CHARGE. The number of insertions given loill depend upon the number of exchanges 

 received each month. Subscribers will please notify us when articles have been exchanged 

 or sold. Dealers are referred to our advertising department. 



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OOD ENGRAVER'S TOOLS, BOOK, Etc.— Cost about $10, for a 1 inch Huy. Ocular, 

 adapted to B. & L.'s "Model," slides, books or cash. 



A. E. WARREN, Rio Vista, Virginia. 



FOR SALE.— Zentmayer histological stand, Rack coarse adjustment, micrometer fine 

 adjustment, B eye piece, good as new. 40 per cent, discount. Also, objectives l>a and 

 8-10 Zentmayer, first class, and B. & L. >i inch. 



A. G. FIELD, M. D., Des Moines, Iowa. 



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OOD HISTOLOGICAL SLIDES FOR OTHER GOOD MOUNTS.— I will cut good His- 

 tological or Pathological material on shares for those not provided with microtomes. 

 S. 'G. SHANK, M. D., 547 Clinton Ave., Albany, N. Y. 



OR EXCHANGE— Mounted sections of injected human kidney. 



GILMAN DKEW, 104 Bloomington St., Iowa City, Iowa. 



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ANTED— " Synopsis of North American Lichens," Tuckerman, and "Manual of the 

 Mosses of the United States," Lesquereux & James. Will give fine slides or cash. 

 H. M. RICHARDS, 27 EUery St., Cambridge, Mass. 



FOR EXCHANGE— Good mounts of double-injected kidney, Trichina Spiralis, Fallopian 

 tube of kitten and a variety of tumoi-s for good pathological or histological mounts, or 

 for sale at 15 cents each. C. B ULAPP, Danville, 111. 



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OR SALE— A Hildebrand Microtome, with knife. Price, $10. Address 



W. J. NEW, No. 32 W. Noble St., Columbus, Ohio. 



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OR SALE AT A BARGAIN— A collection of histological slides. 



ARTHUR LOEWY, Oak Park, Cook Co., 111. 



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OR SALE— A Tolles 1-12 in. objective, a very fiae lense and practically new, having 

 been used only a few limes. Cost $100, and will be sold for $60. 



Address, E. K. BAXTER, Sharon, Vt. 



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LIDES FOR EXCHANGE— Peristomes of Moss and Diatoms, for miscellaneous mounts 

 and material. Address, Dr. E. D. BONDURANT, Tuskaloosa, Ala. 



PECIMENS OF UTAH ROCKS AND MINERALS ; also natural deposits from the 

 mineral lakes and springs of Utah and Idaho, in exchange for good mounts. 



Address, PROF. J. E. TALMAGE, P. O. Box 75, Provo City, Utah. 



ILL EXCHANGE COLE'S STUDIES IN PATHOLOGICAL HISTOLOGY, Vol. Ill, 

 for Cole's Studies in Animal Histology .Vol. H or IV. I offer full text and 12 slides and 

 desire the same in exchange. 



A. B. AUBERT, Maine State College, Orono, Maine. 



OR SALE— A Bausch & Lomb "Professional" Microscope, complete, nearly new. 



Catalogue No. 561: list price, $185.00. Best cash offer wanted ? 



J. H. SMITH, M. D., 909 S. Charles St., Baltimore, Md. 



FOR EXCHANGE— Synopsis of tiie Diatoms of Belgium, by Dr. Van Henrck, 132 plates 

 unbound. Will sell, or exchange for an Abbe Condenser, or a good laboratory micro- 

 tome and pay difference in cost. F. J. SCHAUFELBERGER, M. D., Hastings, Neb. 



OR SALE— Slide of Bacillus Tuberculosis (from Sputum) single and double-stained. 

 Address, WM. B. CANFIELD, M. D., 1010 N. Charles St., Baltimore, Md. 



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ANTED TO PURCHASE— Second-hand copies in good condition of Rev. Wm. Smith's 

 "British Diatoms," and "New Greville Plates of Diatoms." 



JAMES B. SHEARER, Bay City, Mich. 



FOR EXCHANGE— Diatomaceous earth from the jslateau of Thibet (12,000 feet) varieties 

 localities; also material and slides from localities in Scottish Highlands. Wanted, 

 slides of American Diatoms, Insects and Botany. 



W. D. STEWART, 2 Gilmore Terrace, Edinburgh, Scotland. 



FOR SALE— A physician's microscope, manufactured by Bausch & Lomb; 2 eye-pieces! 

 2 objectives, 3-4 and 1-5; micrometer and camera lucida. For further particulars 

 address A. W. ALLEN, 410 Grand River Ave., Detroit, Mich. 



