i66 NATURE-STUDY REVIEW [11:3— Mar., 1915 



1 



3. Contact. '*! 



A. Sputum; brought into house on shoes. ' '. 



B. Mouth spray; singing, coughing, shouting, sneezing, '\ 



C. Hands; handkerchief, towel. '4 

 Application — /j 



Ask the children to watch closely for a few days the people they meet and see ; 



if they do anything that might enable the germs to be carried in any of the ^ 



ways mentioned above, supposing that these people had tuberculosis. j 



(This lesson should be preceded by lessons on the nature and extent of the \ 



disease; and followed by lessons on how to prevent the spread of tuber- ,< 



culosis.) iVj 



Materials — ^ 



Pictures of tuberculosis germs; pictures illustrating any of the above means 1 



of carrying germs. ^ 



AUDUBON SOCIETY 



Sixth Grade — Spring 

 Child's Problem — 



What is the Audubon Society doing to protect birds? 

 Outline of Development — 



1. Legislation, 



2. Wardens. 



3. Lecturers. 



4. Bird reservations. 



5. Publications. 



A. Bird Lore. 



B. Leaflets. 



6. Junior Audubon Societies. 

 Application — 



Have the children form a Junior Audubon Society to help protect birds. 

 Materials — 



Samples of the leaflets and pictures published by the Audubon Society. 

 A November-December issue of Bird-Lore, which always contains the 

 annual report of the Society, and has pictures illustrating their work. 



PIANO AND VIOLIN 



Seventh Grade — Winter 

 Child's Problem — 



In the making and tuning the piano and violin how are the different notes 

 made to vary in pitch? 

 Outline of Development — 



1. Length of strings. 



2. Size of strings. 



3. Materials of which strings are made. 



4. Tension on strings. 



(These points should be developed by means of simple experiments.) 



