NATURE-STUDY 



A MANUAL FOR TEACHERS 

 AND STUDENTS 



BY 

 FREDERICK L. HOLTZ, A.M. 



Head of Department of Nature- Study, Brooklyn Training School for Teachers, New 

 York City, formerly Head of Department of Biology and Nature- 

 Study, State Normal School, Mankato, Minn. 



ILLUSTRA TED 



NEW YORK 



CHARLES SCRIBNER'S SONS 

 1 908 . 



