APPENDIX II 179 



a. Some uses of plants to man 3 lessons 



6. Forests and forest conservation 3 lessons 



10. Single-celled animals . . '. . * . \ . . . . 5 lessons 



11. Fish (and frog, if this form is taught) '. .^ '. . 14 lessons 



12. The general structure of the human body ... 3 lessons 



13. Microorganisms and their relation to human wel- 



fare. ... . 10 lessons 



14. Nutrients and their uses 7 lessons 



15. Stimulants, narcotics, and poisons 10 lessons 



16. Digestion of the nutrients 7 lessons 



17. Circulation of the nutrients . . ~? -. ."..*. 6 lessons 



18. Respiration and the production of heat and power 



in man 7 lessons 



19. Additional topics in hygiene 9 lessons 



20. Birds 5 lessons 



21. Insects 15 lessons 



II. Course begun in February and completed in January. 



1. Composition of living and lifeless things. 



a. Elements, compounds, oxidation, with defini- 

 tions 10 lessons 



6. Composition of food substances, with test for 



each 8 lessons 



c. Manufacture of food substances by plants . 5 lessons 



2. General structure of plants, including cellular 



structure 5 lessons 



3. Osmosis and digestion 5 lessons 



4. Adaptations of the nutritive organs of plants. 



a. Structure and adaptations of roots .... 5 lessons 



6. Structure and adaptations of stems ... 3 lessons 



c. Structure and adaptations of leaves ... 4 lessons 



5. Respiration and the production of energy in plants 4 lessons 



6. Reproduction in plants. 



a. Structure and adaptations of flowers ... 15 lessons 

 6. Structure and adaptations of fruits, including 



fruit and seed dispersal 5 lessons 



