"Pleasure of imagination.... I a geologist have illdefined notion of land covered with ocean, former animals, slow force cracking surface &c truly poetical."--f

An original, unpublished manuscript written before the Origin of Species which contains the references to journal articles and books that Darwin used in formula

A history of science text imagining how evolutionary theory and biology would have been understood if Darwin had never published his "Origin of Species" and oth

Charles Robert Darwin (1809–1882) has been widely recognized since his own time as one of the most influential writers in the history of Western thought. His