Larson 4
O.C. Marsh's diagram of
            evolution of the feet and teeth of the horse
Two summaries:
Despite how controversial evolution had been, Darwin's Origin of Species (1859) got a fairly favorable initial reaction

first edition of Origin of Species

How does Darwin make the argument in the book?

            pigeon varities

Asa Gray, a key American botanist, proposed a theory of theistic evolution

divergence of species diagram from On the Origin of
Darwin assumed evolution would follow a branching patterns

Darwin's theory was seen as a threat to religion in a way that Lyell's had not been

Natural Theology was still popular among scientists and could initially be reconciled with Darwin'
gravestone of
            Edward Hitchcocks evolution

Darwin avoided the topic of human evolution in Origin of Speciescurrent view of human
Ways of reconciling evolution and Christianity: