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glacial boulders, and the Flatbush outwash plain. See Guide No. 

 7, " The Story of our Boulders: Glacial Geology of the Brooklyn 

 Botanic Garden." 



Talks at Elementary Schools. — The principals of public or 

 private elementary schools may arrange to have talks given at the 

 schools on various topics related to plant life, such as school gar- 

 dens and garden work with children, tree planting, the conservation 

 of wild flowers, Arbor Day, etc. If an illustrated lecture is de- 

 sired, the lantern and operator must be provided by the school, 

 but slides will be furnished by the Botanic Garden. Address the 

 Curator of Elementary Instruction for appointments. 



Talks at Secondary Schools and Colleges. — Informal illus- 

 trated talks on various subjects of an advanced botanical nature 

 are always gladly given at Secondary Schools and Colleges by 

 members of the staff. Arrangements for such talks should be 

 made with the Curator of Public Instruction. 



School Classes at the Garden. — Public or private schools, 

 both elementary and secondary, may arrange for classes to come 

 to the Botanic Garden for illustrated lectures by a member of 

 the Garden staff, or for guided tours of instruction through the 

 conservatories and outdoor plantations. Such lectures, conserva- 

 tory trips, and outdoor trips are planned for correlation with the 

 New York City school syllabi in nature study, biology, and 

 geography. 



Visiting classes must be accompanied by their teachers, and 

 notice of such visits should be sent at least one week in advance. 

 Blank forms for this purpose are provided by the Garden. Lists 

 of talks and trips offered will be sent on request : for Junior High 

 and Elementary Schools address the Curator of Elementary In- 

 struction; for High Schools, the Curator of Public Instruction. 



The Garden equipment, including plant material, lecture rooms, 

 lantern, and slides, is at the disposal of teachers who desire to 

 instruct their own classes at the Garden. Arrangements must be 

 made in advance, so that such work will not conflict with other 

 classes and lectures. For High School and College classes address 

 the Curator of Public Instruction. For Junior High and Ele- 



