The photographs interpretive of Nature in this book 
are by Mr. George N. Jennings, Mrs. Jacoby, Mr. 
J.F. Earhart, Mr. Wm. Simpkinson, Mr. Roy Holtz, 
Mr. Charles C. Woods, Mr. Charles Schurman, and 
Mr. Lare: but the great majority are by Dr. Charles 
S. Parmenter; while the drawings are by Margaret 
Robbins. 
