TWENTIETH CENTURY TEXT-BOOKS. 



Uniform, J2mo. 



NOW READY. 



Botanical Text-Books by JOHN MERLE COULTER, 



A. M., Ph. D., Head of Department of Botany, University of Chicago : 

 Plant Relations. A First Book of Botany. Cloth, $1.10. 

 Plant Structures. A Second Book of Botany. Cloth, $1.20. 

 Plant Studies. An Elementary Botany. Cloth, $1.25. 

 Plants. A Text-Book of Botany. Cloth, $1.80. 

 Key to Some of the Common Flora. Limp cloth, 60 cents. 



A History of the American Nation. By ANDREW 



C. MCLAUGHLIN, A. M., LL. B. Cloth, $1.40. 



English Texts. For College Entrance Requirements. 

 Carefully edited. Per volume, cloth, 50 cents ; boards, 40 cents. 



Animal Life. A First Book of Zoology. By DAVID 

 S. JORDAN, M.S., M.D., Ph.D., LL. D., and VERNON L. KELLOGG, 

 M. S. Cloth, $1.20. 



The Elements of Physics. By C. HANFORD HEN- 

 DERSON, Ph. D., and JOHN F. WOODHULL, A. M., Ph. D. Cloth, 

 $1.10. With Experiments, $1.25. 



Physical Experiments. A Laboratory Manual. By 

 JOHN F. WOODHULL, Ph. D., and M. B. VAN ARSDALE. Cloth, with 

 blank pages, 60 cents. Without blank pages, limp cloth, 45 cents. 



The Elementary Principles of Chemistry. By 



ABRAM VAN EPS YOUNG, Ph. B. Cloth. 



A Text-Book of Geology. By ALBERT PERRY 

 BRIGHAM, A. M. Cloth, $1.40. 



A Text-Book of Astronomy. By GEORGE C. COM- 



STOCK, Ph. B., LL. B. Cloth, $1.25. 



A German Reader. By H. P. JONES, Ph. D. Cloth, 



$1.00. 



OTHERS IN PREPARATION. 



Send for complete Prospectus of the Twentieth Century Text-Books 

 for High Schools. 



D. APPLETON AND COMPANY, NEW YORK. 



