THE EVOLUTION OF NATURE GUIDING 247 



some form of nature guiding in both the Yosemite 

 National Park and the PaUsades Interstate Park. 



The following slogans have grown out of our ap- 

 plications of nature guiding at Long's Peak, Colo- 

 rado. They have interested many people and 

 have helped extend the idea: 



A child learns only when he is thinking, and na- 

 ture's wonders compel him to think. 



Every child asks questions. The nature guide 

 answers questions intelligently and thereby brings 

 forth other intelligent questions. 



A nature room in every home containing photo- 

 graphs, nature books, and geological specimens. 

 This would be a help in education. 



Adventure for old and young — trail schools. 



Trail schools always in session: day and night, 

 summer and winter, rain and shine. 



Trail schools train the senses. "The most im- 

 portant part of education has always been through 

 the senses." — Dr. Charles Eliot. 



Entertain your guests at home by a trip with a 

 nature guide. 



Boost for trail schools in every city park. 



The few high-class nature guides whom I have 

 known had versatility and a background. They 

 were not only masters of their own localities but 

 had a good knowledge of the whole outdoors. They 

 had camped and could tell others how to camp; 



