256 The Microscope. 



EXCHANGES 



This deparlme.nt is for the benefit of subscribers ioho have microscopical, apparatus, 

 material or books ivhich they ivish to exchange, and such loants ivill be inserted free of 

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

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

 or sold. Dealers are referred to our advertising department. 



FOR SALE AT A BARGAIN— Microscopical. slide cabinet in solid walnut, handsomely 

 finished and perfectly new. Capacity, 1,200 slides lying flat. This cabinet was made 

 to order, and is of good workmanship throughout. For full descriptic n and price address 

 R J. EVANS, M. D., 99 Christopher St., New York City, N. Y. 



FOR EXCHANGE— The best and most convenient drjing clip ever made, for good 

 mounted slides. These clips are in use by some of the best workers, and once tried 

 are a necessity. Also light saws for bone sections for exchange. 



i: W. LOWDER, Sioux City, Iowa. 



ILL EXCHANGE for objectives or other microscopical appliances, a Standard 

 Columbia Bicycle, 48 in. large wheel, in good condition. Address 



J. R. CHATHAM, Xenia, 111. 



FOR EXCHANGE- A Maynard Creedmoor Rifle and loading tools, all In good condition, 

 for a microscope of some reliable make— Bausch & Lomb's Investigator or Physicians' 

 preferred. For further particulars, address 



J. H. BARR, Box 1471, Rockford, 111. 



WANTED TO PURCHASE— Copies of works on microscopy not already in my library. 

 H. M, WHELPLEY, 2647 Olive St., St. Louis, Mo. 



FOR SALE OR EXCHANGE— Hartnack objectives: One No. 2, 1 in., cost g6.50; one No. 

 4, >a in., cost $9.50; one No. 6, 1-5 in., cost $12.50, and one No. 8, 1-9 in., cost $15.50, all 

 in perfect condition and practically new. Address 



JOHN H. CHOATE, Salem, Mass. 



ANTED—A polariscope to fit large stand; Bausch & Lomb No. 10 bb. preferred. Also 

 sub-stage condenser. Address, stating price wanted, 



ERNEST P. DEVILLE, No. 75 Royal St., New Orleans, La. 



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WANTED TO EXCHANGE— For histological slides of human tissues. Have on hand 

 slides of necturus and turtle blood corpuscles, embryonic mole and various cat 

 tissues. Address T. D. WOOD, Box 322, Sycamore, 111. 



WOOD ENGRAVER'S TOOLS, BOOK, Etc.— Cost about $10, for A 1 inch Huyg. Ocular, 

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



A. E. WARREN, Rio Vista, Virginia. 



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

 adjustment, B eye piece, gooa as new. 40 per cent, discount. Also, objectives ]>2 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. 



FOR EXCHANGE— Mounted sections of injected human kidney. 

 OILMAN DREW, 104 Bloomiugton 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 Ellery St., Cambridge, Mass. 



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

 tube of kitten and a variety of tmnors for good pathological or histological mounts, or 

 for sale at 15 cents each. C. B. CLAPP, 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 ToUes 1-12 in. objective, a very flue lense and practically new, having 

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



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



