All animals undergo perpetual transformations; which are in part
produced by their own exertions... and many of these acquired forms
or propensities are transmitted to their posterity.
-- Erasmus Darwin, Zoonomia, 1794 (Darwin's grandfather)
For the moment at least, the Darwinian period is pa we can no
longer enjoy the comfortable assurance, which once satisfied so many
of us, that the main problem has been solved - all is again in the
melting pot....