Hmerfcan Science Series 



Physics. 



By A. L. KIMBALL, Professor in Amherst College. 

 Physics. 



By GEORGE F. BARKER. 

 Chemistry. 



By IRA REMSEN, President of the Johns Hopkins University. 



Astronomy. 



By SIMON NEWCOMB and EDWARD S. HOLDEN. 

 Geology. 



By THOMAS C. CHAMBERLIN and ROLLIN D. SALISBURT, Pn> 

 fessors in the University of Chicago. 



Physiography. 



By ROLLIN D. SALISBURY, Professor in the University of Chicago. 



General Biology. 



By WILLIAM T. SEDGWICK, Professor in the Mass. Institute, 

 and EDMUND B. WILSON, Professor in Columbia University. 



Botany. 



By CHARLES E. BESSEY, Professor in the University of Nebraska. 



Zoology. 



By A. S. PACKARD, Professor in Brown University. 



The Human Body. 



By H. NEWELL MARTIN. 



Psychology 



By WILLIAM JAMES, Professor in Harvard University. 



Ethics. 



By JOHN DEWEY, Professor in Columbia University, and 

 JAMES H. TUFTS, Professor in the University of Chicago. 



Political Economy. 



By FRANCIS A. WALKER. 



Finance. 



By HENRY C. ADAMS, Professor in the University of Michigan. 



For full descriptions of the Advanced, Briefer, and Elemen- 

 tary Courses published under each topic, see the publishers' 

 Educational Catalog. 



HENRY HOLT & CO. 



