288 The Microscope. 



EXCHANGES 



TMs department is for the benefit of subscribers who have microscopical apparatus 

 material or books ivhich they ivish to exchange, and such wants toill be inserted ^ree of 

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

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

 or sold. Dealers are referred to our advertising department. 



F 



OR EXCHANGE— A collection of seeds, botanical and misoellanenus material, for 

 diatoms, either mounted or in tubes. W. F. ROCHELLE, Jackson, Tenn. 



W 



ANTED— The Microscope, Vol. 6, Nos. 2, 3, 4 and 5. Address 



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



FOR EXCHANGE— I have a limited number of slides of each of the following: Strychnia 

 Chroinate (Strychoia 1-250 gr.) and Strychnia FerriCyaui<!e( Strychnia l-lOugr.j whicn I 

 will exchange for other slides, " botanical" preferred. Only first-class slides offered or 

 desired. L. A. HakUINQ, Fergus Falls, Minn. 



F 



OR EXCHANGE-Slides of named diatoms. 



H. W. WESTOVER St. Joseph, Mo. 



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

 finished and perfectly new. Capacity, I,2u0 slides ly log flat. Tliis cabinet was made 

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

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



FOR EXCHANGE— The best and most convenient drying 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 sectious for exchange. 



V. VV. LO WDER, Sioux City, Iowa. 



W 



ILL EXCHANGE for objectives or other microscopical appliances, a Standard 

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



J. R. CHATHAM. Xenia, lU. 



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, III. 



W 



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

 H. M. WHELPLEY, 2617 Olive St., St. Louis, Mo. 



W 



ANTED—A polariscope to flt 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. 



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. 



W 



OOD 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. 



G 



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. SH4NK, M. D., 547 Clinton Ave., Albany, N. Y. 



F 



lOR EXCHANGE— Mounted sections of injected human kidney. 



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



W 



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

 Mosses of the United Slates," Le>quereux & James. Will give fine slides or cash. 

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



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

 adjustnit-nt, B eye piece, gooa as new. 4U per cent, discount. Also, objectives l>i and 

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



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



