A. and B. Direct and Indirect Evidence in favour of the Non-inheritance of Acquired Characters[133]

C. Experimental Evidence as to the Non-inheritance of Acquired Characters[142]

CHAPTER VI.

Characters as Hereditary and Acquired (Conclusion)[150]

CHAPTER VII.

Characters as Adaptive and Specific[159]

CHAPTER VIII.

Characters as Adaptive and Specific (Continued)

I. Climate[200]