BOOKS BY B. P. COLTON 



Physiology: Experimental and Descriptive. 



For High Schools, Normal Schools, and Colleges. 440 

 pages. Illustrated in colors. 



Physiology : Briefer Course. 



For High Schools. 400 pages. Illustrated in colors. 



Elementary Physiology and Hygiene. 



For grades below the High School. 320 pages. Illustrated. 



Zoology: Descriptive and Practical. 



PART I. DESCRIPTIVE. 376 pages. Illustrated. 

 PART II. PRACTICAL. 234 pages. 



D. C. HEATH & CO., PUBLISHERS 

 BOSTON NEW YORK CHICAGO 



