NATURE-STUDY 



A MANUAL FOR TEACHERS 

 AND STUDENTS 



BY 

 FREDERICK L. HOLTZ, A.M. 



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

 York City. Formerly Head of Department of Biology and Nature- 

 Study, State Normal School, Mankato, Minn. 



ILL US TR A TED 



NEW YORK 



CHARLES SCRIBNER'S SONS 



1908 



