180 APPENDIX II 



7. Rant propagation. 



a. Seeds and their development into plants . . 6 lessons 



b. Conditions essential for the growth of plants . 2 lessons 



8. Plants in their relation to human welfare. 



a. Some uses of plants to man 3 lessons 



b. Forests and forest conservation 3 lessons 



9. Insects . *;W , . . . V ..; . . . . . 15 lessons 



10. Birds ,. : ..;...; f ,?,t. >, .. . w> 5 lessons 



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



12. Single-celled animals ..,-,. :, ; .. r ..-* * 5 lessons 



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



14. Microorganisms and their relation to human wel- 



fare . . . . ... . . . : ?1; , v . . 10 lessons 



15. Nutrients and their uses 7 lessons 



16. Stimulants, narcotics, and poisons 10 lessons 



17. Digestion of the nutrients 7 lessons 



18. Circulation of the nutrients 6 lessons 



19. Respiration and the production of heat and 



power in man 7 lessons 



20. Additional topics in hygiene 9 lessons 



