Boohs of Reference. 201 



Barnard's Talks about the Weather. 



Mrs. Kelley's Leaves from Nature's Story-book, 4 vols. 



Rick's Natural History. 



Boys' and Girls' Biology. 



Bidgood's Biology. 



Paul Bert's First Steps in Scientific Knowledge. 



Frye's Brooks and Brook Basins. 



Frye's Child and Nature. 



How to Know the Wild Flowers. 



Newhall's Trees of the Northeastern United States. 



J. G. Wood's Half Hours with a Naturalist. 



Calkins' Primary Object Lessons. 



Calkins' Manual of Object Teaching. 



Sarah Arnold's Way-marks for Teachers. 



Ginn & Co.'s Nature Readers. 



Johonnot's Series of Readers. 



Tenants of an Old Farm. 



First Steps in Natural Science. 



Any of the above and all books on Nature and Nature 

 Study can be obtained of E. L. Kellogg & Co., 61 East Qth 

 St., New York. 



