Letting alone that Buffon, not Lamarck, is the foremost name in connection with descent, I have already shown in "Evolution Old and New" that Lamarck goes exhaustively into the how and why of modification.
"Luck or Cunning?"
Samuel Butler
If I add that the American Book drops out of the Visitation of the Sick a form of private absolution, and greatly modifies the service for Ash-Wednesday, we shall have made our survey of differences tolerably, though by no means exhaustively complete.
"A Short History of the Book of Common Prayer"
William Reed Huntington
The patient as an individual is not treated; the disease as a disease is not treated; the symptoms are not treated; but the entire physical organism, with its many parts and diverse functions, is exhaustively examined until each and every abnormal condition, whether of structure or of function, causing disease and maintaining symptoms, is found and administered to with the skill of a definite art, based upon the data of an exact science.
"Civics and Health"
William H. Allen