REFERENCE BOOKS 23 



and failure is often due to indifference. Surely in this 

 great world of science about us, there is enough to interest 

 each one of us. 



REFERENCE BOOKS 



Fall, Science for Beginners, Chapters I and II. World Book Company. 



Hunter, A Civic Biology, Chapter I. American Book Company. 



Hunter, Laboratory Problems in Civic Biology, Chapter I. American Book Company. 



Lee, Health and Disease (Advanced), Chapter XV. Little, Brown, and Company. 



Ritchie, A Primer of Sanitation, Chapter XXIV. World Book Company. 



Smith and Jewett, Introduction to the Study of Science, Chapter XII. The Mac- 



millan Company. 

 Winslow, Healthy Living, Chapter XXIII. Merrill Company. 



