viii CONTEXTS. 



CHAP. PAGE 



VIII. HEREDITY . . . ' . . . . 239 



IX. VARIATION 257 



x . GENESIS, HEREDITY, AND VARIATION . . . 273 



XL CLASSIFICATION 292 



XII. DISTRIBUTION . . . . . . .311 



PART III. THE EVOLUTION OF LIFE. 



I. PRELIMINARY ....... 331 



II. GENERAL ASPECTS OF THE SPECIAL-CREATION-HY- 

 POTHESIS ....... 333 



III. GENERAL ASPECTS OF THE EVOLUTION- HYPOTHESIS 346 



IV. THE ARGUMENTS FROM CLASSIFICATION . . 356 



V. THE ARGUMENTS FROM EMBRYOLOGY . . . 365 



VI. THE ARGUMENTS FROM MORPHOLOGY . . . 380 



VII. THE ARGUMENTS FROM DISTRIBUTION . . . 388 



VIII. HOW IS ORGANIC EVOLUTION CAUSED?. . . 402 



IX. EXTERNAL FACTORS 411 



X. INTERNAL FACTORS . . . . . .420 



XI. DIRECT EQUILIBRATION . . . . .432 



XII. INDIRECT EQUILIBRATION . . . . 443 



XIII. THE CO-OPERATION OF THE FACTORS . . . 464 



XIV. THE CONVERGENCE OF THE EVIDENCES 470 



