He lays much stress on inheritance being a form of unconscious memory, but how far this is part of his molecular vibration, I do not understand.

His views make nothing clearer to me; but this may be my fault.

No one, I presume, would doubt about molecular movements of some kind.

His essay is clever and striking.

If you read it (but you must not on my account), I should much like to hear your judgment, and you can return it at any time.