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THE MICROSCOPE 



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The leading exponent of Microscopy in the United States. The represent- 

 ative of what is best, most instructive and progressive in American Micros- 

 copy. An enterprising and liberal purveyor of microscopical news selected 

 from the most reliable scientific journals of Europe and America. A reliable 

 teacher for the beginner, and a medium through which advanced workers pub- 

 lish to the world the results of their labors. 



Among the contributors to this journal are: 



Prof. CHAS. E. BESSEY, University of Nebraska; Prof. T. J. BURRILL, 

 University of Illinois ; Prof. M. D. EWELL, Northwestern University; Prof. 

 J.WALTER FEWKES, Harvard University; Prof. C. H. STOWELL, Uni- 

 versity of Michigan; Prof. S. H. GAGE, Cornell University; Prof. H. L. 

 SMITH, Hobart College; Prof. JOHN A. BRASHEAR, Prof. HENRY 

 MILLS, Prof. H. M. WHELPLEY, Dr. F. L. JAMES, E. H. GRIFFITH, 

 Esq., C. M. VORCE, Esq., and many other well-known writers on microscopy. 



Each number is replete with information valuable to educated Americans 

 who desire to acquire a scientific knowledge in its broadest sense. 



Editor, Or. Alfred C. Stokea. 



384 pages, illustrated, yearly. Subscription price, $1. Sample copies free, 



THE MICROSCOPE PUBLISHING CO., Trenton, N. J. 



COPIES OF COULTER & ROSE'S 



Revision of Horth American Umbelliferae 



Can be obtained for One Dollar by addressing 

 PROF, JOH3S M. COULTER, Crawfordsvllle, IndL 



Back Numbers Wanted. 



The following numbers of the Gazette are wanted to complete sets ; double 

 the regular price will be paid, if sent to John M, Coulter, Crawfordsvilie, Ind.: 

 Vol. VI, No. 9 (Sept., 1881 1; Vol. X, Nos. 7 and 8 (July and Aug., 1885); Vol, 

 VII, Nos. 8 and 9 (Aug. and Sep., 1882); Vol. XI, No. 1 (Jan., 1886). 



HERBARIUM OF EUROPEAN PLANTS FOR SALE. 



An herbarium of between 900 and 1000 different varieties, mostly belonging 

 to the Norwegian mom. vin flora, is offered for sale. Price, $100. The plants 

 are very well preserved, and nearly all are fine specimens. A imaller collec- 

 tion of forage plants, by Prof. Job. Lange, is embodied in the herbarium. 



For farther particulars, address F. W. WoiX, Experiment Station, 



Madison, Wu. 



