BOOK III.

THE CHARACTERS COMMON TO LIVING BEINGS.

I. DOCTRINE OF VITAL UNITY 146

II. MORPHOLOGICAL UNITY OF LIVING BEINGS 157

III. CHEMICAL UNITY OF LIVING BEINGS 173

IV. TWOFOLD CONDITIONS OF VITAL PHENOMENA. IRRITABILITY 188

V. THE SPECIFIC FORM: ITS ACQUISITION, ITS REPARATION 199

VI. NUTRITION. FUNCTIONAL ASSIMILATION. FUNCTIONAL DISTRIBUTION. ASSIMILATING SYNTHESIS 209