CONTENTS OF VOL. I. 



PART I.— THE DATA OF BIOLOGY. 



CHAP. PAGE 



I, — Organic matter 3 



II. — The actions of korces on organic matter .... 27 



III. — The re-actions of organic matter on forces .... 45 



Iir\ — Metabolism 62 



IV. — Proximate conception of life 78 



V. — The correspondence between life and its circumstances . 91 

 VI. — The degree of life varies as the degree of correspond- 

 ence 101 



Vr\ — The dynamic element in life Ill 



VII. — The scope of biology 124 



PART IL— THE INDUCTIONS OF BIOLOGY. 



I. — Growth 135 



11. — Development 162 



ir\ — Structure 181 



III. — Function 197 



IV. — Waste and repair 213 



V. — Adaptation 227 



VI. — Individuality 244 



VI*. — Cell-life and cell-multiplication 252 



VII.— Genesis 269 



VIII.— Heredity 301 



IX.— Variation 320 



X. — Genesis, heredity, and variation 336 



xi 



