THE MICROSCOPICAl, ADVERTISER. 



F^OR BAKE. 



Two Zentinayer Microscope stands as follows 

 Centennial binocular with mechanical stage, also glass-sliding 

 stage ; separate nose-piece for wide angle objectives ; 5 eye-pieces. 

 Walnut case. Cost ;^36o. Is offered as new: price $i7S- 



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

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

 case. Cost ^220. In perfect condition: price I75. 



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



WANT, SALE AND EXCHANGE NOTICES. 



FOR SALE AT A BARGAIN. — A Beck New National Microscope with full line of accessories, 500 mounted 

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



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



J. CHRISTIAN BAY, Des Moines, Iowa. 



FOR SALE. — First class Botanical mounts, 25 cents. Send for list; also will exchange. 



I. PERCY BLACKMAN, Sandy Hook, Conn. 

 WANTED. — Material containing Foraminifera, 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 Eiatoms 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, onePillsbury's 20 boxes for 500 slides, worth from $3 to $5 

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

 croscopical books not already in my library. Wolle's Desmid Wanted. 



DR. MATHIAS COOK, Utica, N, Y. 



READ the nice stories in Lip.pincott's Monthly Magazine. You can save 50 cents, 

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



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

 of various Mammalian tissues' ' cau 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 Britisli 

 Diatomacete (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. 



JHANllFA<rrUKHS OF 



High-Grade Microscopes, Telescopes, and 



ARRANGED DIATOMS. I furnish the most artistic arrangements of diatoms pal 

 slides at $5.00 each. Your name can be made from different species. Any other designi 

 you wish can be made to order. Refer to Editor of this Journal. 



M. H. Dalton, 1 Impasse des Bains, Asnieres. pres Paris, F * 



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

 it of rare California bulbs and plants. LYON & COBBE, Los Angeles, Cal. 



