ELEMENTARY

Hunter, _Laboratory Problems in Civic Biology_. American

Book Company.

Bigelow, _Applied Biology_. The Macmillan Company.

Coulter, _Plant Life and Plant Uses_, Chaps. III, IV.

American Book Company.

Mayne and Hatch, _High School Agriculture_. American Book

Company.

Moore, _The Physiology of Man and Other Animals_. Henry Holt

and Company.

Sharpe, _Laboratory Manual in Biology_, pp. 73-87. American

Book Company.

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