This encouraged early evolutionary theories on the transmutation of species.

The conclusions supported his idea of the transmutation of species.

He believed, as written in 1876, that transmutation of species is directly due to the influence of environment.

Wallace also hoped to gather evidence of the transmutation of species.

Grant revealed his enthusiasm for the transmutation of species, but Darwin rejected it.

By early 1837 Charles Darwin was already speculating on transmutation of species.

At the same time he was privately speculating intensively about transmutation of species, and taking on other projects.

For it was Gould who showed Darwin his first evidence of the possible transmutation of species.

At this stage his thoughts reflected Lyell's rejection of transmutation of species.

Conditions gradually eased, and in 1844 the controversial Vestiges popularised the transmutation of species.

Buckland presented this idea in part to counter pre-Darwin theories on the transmutation of species.

Unlike Darwin, Wallace began his career as a travelling naturalist already believing in the transmutation of species.

The choice was also logically independent of the notion of transmutation of species, but that was considered to be a slow process.

Transmutation of species, Lamarckism, inheritance of acquired characteristics - first theories of evolution.

What was being done here, Gundersen realized, was a transmutation of species, a change worked not upon ova but upon adult organisms.

Ideas about the transmutation of species were associated with the radical materialism of the Enlightenment and were attacked by more conservative thinkers.

Advances in paleontology, led by William Smith saw the recording of the first fossil records that showed the transmutation of species.

Following his return in October 1836, he developed his novel ideas of geology while speculating about transmutation of species and thinking about religion.

For Cuvier, this was related to another principle of his, the conditions of existence, which excluded the possibility of transmutation of species.

Jean-Baptiste Lamarck had originally proposed a theory on the transmutation of species that was largely based on a progressive drive toward greater complexity.

"The mechanism that explained the transmutation of species would explain Martha's transmutation, the transmutation of friendship."

Aviezer allows for divine guidance within an evolutionary paradigm in the transmutation of species over time, including the emergence of modern man from homo erectus.

Jean-Baptiste Lamarck proposed a theory on the transmutation of species in Philosophie Zoologique (1809).

In seeking to explain his observations, by early 1837 Darwin was speculating in his notebooks on transmutation of species and writing of "my theory".

These points convinced Darwin that transmutation of species must be occurring, and in his Red Notebook he jotted down his first evolutionary ideas.