THE MICROSCOPE. 



A Monthly Journal deToted 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. Subscription price, $1.00 per year. 



Address 



THE MICROSCOPE PUBLISHING CO., 



25 Washington Ave., Detroit Mich. 



BOTANICAL PAPER. 



E. MORRISON, 



'APEE WAEEHOUSE, 



No. 805 D Street, Washington, D. C. 



tandard 



_ „„_ ._)er, 11 .il £, 30 : »,, at $5.50 per ream. Genus Covers, 



standard size (16% by 24), No. t, 34.00; No, 2, «2.5o. No. 3, 82.00 per hundred. Dryers 

 12 x 18, $2.00 per 1 ndred. Species she* f 2 x 5 ., 50 cent r hundred. 



S^EISTJD FOB 



Latest and Complete 



CLEARANC 



£7 





i 



-_■_ 



■ 



w 



Of Microscopes and Accessories, will be ready March 



4th. You will find many heavy reductions ia 



price, made to clear our stock. 







JAMES W. (JUEEN & €0., 



Manufacturing p : U kg Optician?, 



e*4 Chtsinut St. $ Pkiiadtlphia* P* 



