LANTERN SLIDES AND PROJECTION 



For Nature-Study and Science Teacliers 



Our booklet, Projection for Science Teachers and 

 Lecturers, in addition to observations on projection, con- 

 tains descriptive matter and lists of Fifteen Sets of Edu- 

 cational Slides — more than 800 slides and over 4,000 

 illustrations. 



This booklet will be sent to any one who will send 

 name, position and address plainly written, and mention 

 Nature-Study Review, Address, 



CONRAD SLIDE AND PROJECTION COMPANY 



40^8 Jackson Boulevard. :: :: (Ihica^o 



jAuthors and Manufacturers of the Conrad Slides} 



Five Dollars 



for the best 



Photograph of a Wild Animal 



taken in its native haunts 



By a pupil in any grade below high school. 



The pictures must be taken between May 1 

 and Oct. 1, 1912. Each must be sent to the 

 editor by Oct. 10, accompanied by a brief state- 

 ment of when and where it was taken, by 

 whom and the name and address of your grade 

 teacher. The photographs will be judged by 

 experts in animal photography. Teachers, 

 please call the attention of your pupils to this 

 offer. Av/ard will be announced in the Novem- 

 ber number. 



THE EDITOR 



The Nature-Study Review 



Kindly mention Xature-Study Review when replying to advertisement? 



