Note 28 — Chapter XII
Reading edition
'They, doubtless, became the prey and the gain of others, unable to break through the bonds of fate by which they were confined, until Nature caused that species to disappear.'—v. 875-77.
Professor Wallace (Epicureanism, p. 114) in commenting on this passage adds, 'Of course in this there is no implication of the peculiarly Darwinian doctrine of descent, or development of kind from kind, with structure modified and complicated to meet changing circumstances.'