ELEMENTARY

Hunter, _Laboratory Problems in Civic Biology_. American

Book Company.

Davison, _The Human Body and Health_. American Book Company.

Gulick Hygiene Series, _Town and City_. Ginn and Company.

Hough and Sedgwick, _The Human Mechanism_, Part II. Ginn and

Company.

Overton, _General Hygiene_. American Book Company.

Richards, _Sanitation in Daily Life_. Whitcomb and Barrows.

Richmond and Wallach, _Good Citizenship_. American Book

Company.

Ritchie, _Primer of Sanitation_. World Book Company.

Sharpe, _Laboratory Manual of Biology_, pages 320-334.

American Book Company.

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