New Botanical Text-Books. 



*£.* Prepared under the personal supervision of Prof. Asa Gray, of Harvard 

 University, and forming a part of Gray's Standard Series of Botanies. 



ORAY'S BOTANICAL TEXT-BOOK, 



In 4 vols., each complete in itself, and the whole forming a comprehensive Botan- 

 ical Course for Colleges, Institutes of Technology and Private Students. 



Vol. I. STRUCTURAL BOTANY ; Or, Organography on the basis of Morph- 

 ology, to which is added the principles of Taxonomy and Phytography and a 

 Glossary of Botanical Terms, by Asa Gray, LL.D., etc., Fisher Prof, of Nat. 

 Hist, in Harvard University. 8vo, cloth. 454 pages. Price, by mail, $2.30. 



J"u.st iss"ued. 



Yol. II. PHYSIOLOGICAL BOTANY: Outlines of the Histology of Phaeno- 

 gamous Plants. Yegetable Physiology. By George Lincoln Goodale, A.M., 

 M.D., Professor of Botany in Harvard University. 1 vol., 8vo, cloth. 560 

 pages. Price, by mail, &2.30. 



Yol. HI. INTRODUCTION TO CRYPTOGAMIC BOTANY. By Prof. Wil- 

 liam G. Farlow. (In preparation.) 



Vol. IY. THE NATURAL ORDERS OF PHAENOGAMOUS PLANTS. By 

 Prof. Asa Gray, (fn preparation.) 



FOR WESTERN STUDENTS— Now Ready. 

 COULTER'S MANUAL OF THE BOTANY OF THE ROCKY MOUNTAINS. 



For the use of Schools and Colleges between the Mississippi and the Rocky 



Mountains. By Prof. John M. Coulter, Ph.D., Wabash College. 8vo, cloth. 



496 pages. Price, by mail, $1.85. 

 GRAY AND COULTER'S TEXT-BOOK OF WESTERN BOTANY. Consisting 



of Coulter's Manual of the Rocky Mountains, to which is prefixed Gray's Lessons 



in Botany. Price, by mail, $2.50. 



1ST early JR, eady . 



COULTER'S MANUAL OF THE BOTANY OF THE ROCKY MOUNTAINS. 

 Tourist's Edition. Light strong paper, flexible leather cover. 8vo. 496 pages. 

 Price, by mail, $3.00. 



For terms of introduction, etc., address the Publishers, 

 IVISON, BLAKEMAN, TAYLOR & CO., 753-755 Broadway, N. Y. 



BECKER BROTHERS, 

 No. 6 Murray Street, New York, 



Manufacturers of Balances and Weights of Precision for Chem- 

 ists, Assayers, Jewelers, Druggists, and in general for every use 

 where accuracy is required. 



April, 1871.— [tf.] 



MINERALS 



Sold, Bought and Exchanged. 



Address L, STADTMULLER, 



New Haven, Conn. 



References : Prof J. D. Dana and Prof. G. J. Brush. 



