BOOKS AND PEEIODICALS. 



8 W- Queen ^ Co., 



924 CHESTNUT STREET, PHILADELRHIA. 



Microscopes and Other Scientific Instruments 



^'Send for our abridged General Catalogue containing complete list of our 



ten catalogues. 



^"Send for our catalogue of second-hand and other microscopes at reduced prices."^ 



a^S^nd for sample copy of our Micioscopical Bul'etin.'^^a 

 [Mention this journal.] 



The Botanical Gazette. 



An illustrated monthly of 24. pages or more devoted to all depart- 

 ments of Botany. Contains original investigations, descriptive 

 articles, editorial comments, and botanical news from all parts of 

 the world. It appeals both to the specialist and to the intelligent 

 lover of plants. Price, S2.00 a year. 



Dr. J. M. Coulter, Cra.wfordsville, Ind. 

 Prof. C. R. Barnes, LaFayette, Ind. 

 Prof. J. C. Arthur, Geneva, N. Y. 



Editors & Publishers. 



THE AMERICAN NATURALIST. 



A popular illustrated monthly magazine of Natural History and Travel. This 

 journal of popular Natural Science is published by Messrs. McCalla & Stavely, 

 Philadelphia, Pa., under the editorial management of Dr. A. S. Packard, Jr., and i 

 Prof. E. D. Cope, with the assistance of eminent men of science. 



Each number of the Naturalist contains carefully written origina' articles on 

 various subjects, and in addition eleven departments — Recent Literature, Geography 

 and Travels, Geology and Palseontology, Mineralogy, Botany, Entomology, Zoology, 

 Physiology, Psychology, Anthropology, Microscopy and Histology. The depart- 

 ment of Botany is edited by Prof. C. E. Bessey. that of Microscopy is edited by 

 Prof. C. 0. Whitman, that of Mineralogy is edited by Prof. H. C. Lewis, and that 

 of Physiology by Prof. Henry Sewall, while the department of Geography and 

 Travels is edited by W. N. Lockington. Subscription Price |4 per year in advance. 

 Remittances by mail should be sent by a money ordar, draft on Philadelphia or New 

 York, or registered letter to McCALJ^A & STAVELY, 237-9 Duck Street, Phila- 

 delphia, Pa , 



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