School Science and Mathematics 



The Journal for all f rogreitive Science and Mathcaiatics Teachers 



Its subscription list contains names of teachers in 

 all countries of the globe. It gives new ideas and meth- 

 ods of scientific and mathematical instructions — practical 

 articles on the teaching of science and mathematics. Sug- 

 gestive, illustrated descriptions on apparatus, experiments, 

 laboratory equipment and plans. Short, newsy, helpful 

 notes on the progress in science and mathematics. Speak 

 to your teacher friends about it. Get them to subscribe. 

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SCHOOL SCIENCE AND MATHEMATICS 



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THE PLANT WORLD 



THE PLANT WORLD is indJspenBable to everyone serloualy interested 

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 the discriminating character of Us REVIEWS and the timely and suggesUve 

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It~i9 authoritative without bebig highly technical. It U readable without 

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