THE MICROSCOPICAlv ADVERTISER. 



ROR SALE. 



Two Zentmayer Microscope stands as follows 

 Centennial binocular with meclianical stage, also glass-sliding 

 stage; separate nose-piece for wide angle objectives; 5 ej^e-pieces. 

 Walnut case. Cost ^360. Is offered as new: price ^175. 



Grand American monocular (nose-piece, fine adjustment) with 

 mechanical stage, centering on substage, 3 eye-pieces, mahogany 

 case. Cost ^220. In perfect condition: price $75. 



Walter H. Mead, 65 Wall St., NEW YORK CITY. 



WANT, SALE AND EXCHANGE NOTICES. 



FOR SALE AT A BARGAIN.— A Beck New Nationiil Microacope with full line of aocesaoriea, 500 mounted 

 elides, etc. Address— A. C. GRUHLKE, Waterloo' Ind. 



FOR SALE. — A J inch objective (65°), Bausch & Lomb professional in good condition. 



J. CHRISTIAN BAY, Des Moines, Iowa. 

 FOR SALE. — First class Botanical luonuts. 25 cents. Send for list; also will exchansce. 



I. PERCY BLACKMAN, Sandy Hook, Cf.un! 

 WANTED. — Material containing Foramiuifera, recent or fossil. Will give other ma- 

 terial, named slides of Foraminifera or miscellaneous slides in exchange. 



F. S. MORTON, 158 Cumberland St., Portland, Maine. 



FOR SALE OR EXCHANGE.— Stained Diatoms from Keene, N. H. Price 50 cents. 

 Unstained slides of same, in balsam. Price .30 cents. 



WILLIAM LIGHTON, 2511 Seward St., Omaha, Nebr. 



FOR EXCHANGE. — 20 Portable Cabinets each 12 trays for 72 objects, some mahog- 

 any : others .solid rosewood, one Pillsbury's 20 boxes for 500 Klides, worth from 1/5 to $5 

 each ; in exchange for nice slides. Histological and Pathological not wanted, or for Mi- 

 croscopical l)ooks not already in my library. Wolle's Desmid Wanted. 



DR. MATHIAS COOK, Utica, N, Y. 



READ the nice stories in Lippincott's Monthly Magazine. You can save 50 cents 

 (club rate) by subscribing for Lippincott through us. MICR. PUB. CO. 



FOR SALE. — A limited number of slides illustrative of the " Studies of the Histology 

 of various Mammalian tissues" can be had at 50 cents each. 



H. L. OSBORN, St. Paul, Minn. 



FOR SALE. — Nicely mounted .slides of Rhinoceros horn, at 40 cents each. 



H. H. DAVISON, 41 Sumner St., Pautucket, R. I. 

 FOR SALE. — Pritchard's Infusoria (latest edition, colored plates) and Smith's British 

 Diatomaceaj (2 vols., uncut). These works are very scarce and can only be got, as in this 

 case, when a microscopist finishes using them. Price $60. 



No Sig., Care C. W. SMILEY. 

 WANTED.— A chemical balance. State price, degree of sensitiveness and condition. 



F. L. J. BOETTCHER, 218 2nd St. N. E., Washington, D. C. 

 FOR EXCHANGE. — The Museum of Hamline University desires to exchange Atlan- 

 tic Shells, preserved specimens of Marine Zoology of microscopic slip slides for zoological 

 specimens especially Rodents in the flesh from Southwesten United States, Correspondence 

 solicited, " HENRY L. OSBORN, Hamline Univ.,, St. Paul, Minnesota. 



ARRANGED DIATOMS. I furnish the mo.st artistic arrangements of diatoms in: 

 slides at $5.00 each. Your name can l>e ma<le from different species. Any other designs 

 you wish can he made to order. Refer to Editor of this Jourual. 



M. H. Dalton, 1 Impasse des Bains, Asnieres. ]>res Paris, France. 



RARE CACTI. Send 10 cents for list and a magazine for a year, also an illustrated 

 list of rare California bulbs and plants. LYON «!fe COBBE, Los Angeles, Cal. 



