When he read Darwin, he became an immediate convert to Transformisme, as the French called evolutionism.
wˌɛn hiː ɹˈiːd dˈɑːɹwɪn, hiː bɪkˌeɪm ɐn ɪmˈiːdɪət kənvˈɜːt tə tɹænsfˈoːɹmɪsmi, æz ðə fɹˈɛntʃ kˈɔːld ˌɛvəlˈuːʃənˌɪzəm.