and of Lyell to Hutton, [18];
on causes of Hutton's failure to reform geology, [23], [25];
his attitude towards Lyell's views, [30], [71]
Fluvialists, [58]
Forbes, David, intercourse with Darwin, [119]
Fossil bones, discovery of, in South America first suggests to Darwin mutability of species, [102]
Foundations of the Origin of Species, [123]
Frazer, J. G., on legends of creation, [5], [7]
Galapagos Islands, influence of study of fauna on Darwin, [104]