THE MICROSCOPICAL JOURNAL ADVERTISER- 



Two Zentiiiayer 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 $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. 



A GE PRINTING COMPAN Y, 



u w - — ^^^ 



BOOK j)\ 



AND JOB ^j\ 



PRINTERS. 



COR. 8th and H STS., N. W, WASHINGTON, D. C 



INVENTIVE AGE BUILDING, TELEPHONE, 1516, 



WANT, SALE AND EXCHANGE NOTICES. 



FOR SALE. — Zeiss's combination dissecting lens, consisting of 3 achromatic lenses and an achromatic eye 

 lens, magnifying 100 diameters, 9 mm. working distance; by using the lenses separately and with or without eye - 

 lens 100, 60, 40, 30, 20, 15, diameters may be had. Useful for arranging objects and for dissecting. Cost $15.00 

 price ?:10.00. DR. ALFRED C. STOKES, Trenton, N.J. 



WILL EXCHANGE valuable Town lots in Southern Pines, N. C. the new winter health resort that is high 

 y recommended by the medical profession as the most desirable location in the United States for those suffering 

 with throat and lung troubles, for good Electric light plant or electrical goods. Lots to be rated at cash selling 

 Ipiices. JOHN T. PATRICK, Southern Pines, N. C. 



FOR EXCHANGE. — Will exchange fossil shells of the Eocene from the basin of Paris and from th 

 Miocene of Central France for i ecent and fossil shells of the U. S., especially from Alabama. 



ANDRE C. BONNET, ."55 Boulevard Saint Michel, Paris, France. 



FOR SALE.— Microscopical mounts all A No. 1. Dr. A. S. BARNES, Je., 1048 N. Taylor Ave., St. Louis, Mo. 



FOR S.\LE. — The finest preparations of insect anatomy, mounted neatly and at very low prices, 25 cents, 

 35 cents, 50 cents. 



Aquatic Beetle {Dtjtiscus) showing compound eyes. Mouth parts of Hymenoptera — sting poison sacs. 



Cricket (Gorj/Hi«)— wing of male and organ of hearing. Male organs of Diptera {Musca). 



Lightning bug (PAo<in«.sj)i/rn/i.s) entire. . Same— parts, lanterns, testicles, ducts. 



l>!ttisciix margiimlis — tibia, maxilla>, antenna;, trachea, spiracles, Ac. 



Correspondence invited. For quality of work refer to Editor of this Journal. FR. DIENELT, Loda, III. 



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

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



THE AMERICAN MAGAZINE OF NATURAL SCIENCE" is a popular illustrated Magazine for all who love 

 the great world of nature. If you are interested in any branch of Natural Science it will please you. Fifty cents 

 a year with premium. Samples for stamp. FRED R. STEARNS, Editor, Sac City, Iowa. 



