Latest and Complete 



CLEAR 



H 



NGE 



LIST 



Of Microscopes and Accessories, will be ready March 

 4th, You will find many heayy reductions in 

 price, made to clear our stock. 



JAMES W. QUEEN & CO., 



Manufacturing and Importing Opticians, 



924 Chestnut St., Philadelphia. 



Valuable Herbarium For Sale Cheap.— 4,000 species 



all 



American. The Curtiss Fascicles, 1 ,200 species among them, 

 and also 160 wood specimens. Price, $500. 



Address for particulars, W. W. Calkins, Jacksonville, Fla. 



THE MICROSCOPE. 



A Monthly Journal deyoted to all departments of the 



Art of Microscopy. 



A score or more of eminent writers have been secured as 

 contributors for 1889, and many valuable articles may be ex- 

 pected, especially on Diatoms, Infusoria, Sponges, Micro- 

 botany and Micrometry. 



There will be abstracts of Proceedings of Societies, an 

 Elementary Department for beginning students of Histology 

 and Embryology, Editorial notes, a condensed account of art- 

 icles from American and foreign journals, a news column, 

 book reviews, correspondence and queries from subscribers, 

 and an exchange department. The journal is intended for 

 all classes of readers. Sub ription price, $1.00 per year. 



Address 



THE MICROSCOPE PUBLISHING CO., 



25 Washington ive. f I^troit Mieh. 



