The principles of heredity with some applications
Book digitized by Google from the library of Harvard University and uploaded to the Internet Archive by user tpb. Theories of heredity.--Theories of evolution.--Use and disuse.--Spontaneous variations.--Recapitulation.--Bi-parental reproduction.--Regression.--The cause of spontaneous variations.--Natural selection among civilized men.--Acquired immunity.--Evolution against disease.--The argument from disease.--The origin of zymotic diseases.--Bacteria as empire builders.--Narcotics.--Reflex action.--Voluntary action.--The instincts and the acquirements of man.--Automatic action.--Theories of mental evolution.--The mind of man.--Racial mental differences.--Methods of religious teaching.--Methods of scholastic teaching.--Practical problems
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