LANTERN SLIDES pS'.S 

 and PROJECTION ^°e^cS'^ 



For Nature-Study and Science Teachers . ' J^\^t.Kb, 

 • in addition to 



observations on 

 projection, contains descriptive matter and lists of Fifteen 

 Sets of Educational Slides — more than 800 slides and 

 over 4000 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 PROJEQION COMPANY 



4028 Jackson Boulevard ..... Chicago 



[Authors and Manufacturers of the Conrad Slides] 



Five Dollars 



For the Best Photograph of a Wild 

 Animal Taken in its Native Haunts 



It\ a pupil in any grade bei^^v .iii,.. cv-nool. 

 The pictures must be taken between ^ 

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

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

 iiient 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. Award will 

 be announced in the November number. 



THE EDITOR, 

 The Nature- Study Review. 



Kindly mention Nature- Study Review when replying to advertisements 



