Is flattered by a proposal that he undertake some reviewing work, but has many years’ work in prospect on his present book on species and varieties.
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Is flattered by a proposal that he undertake some reviewing work, but has many years’ work in prospect on his present book on species and varieties.
Agrees that Lyell’s letters shed no new light on extensions issue. Continental extensions: opposes their being hypothesised all over world.
Commonality of alpine plants damns both extension and migration.
Reports on results of forcing and other attempts to produce variations in plants. Asks for some seeds.
Is correcting his Linnean Society paper ["On the action of sea-water", Collected papers 1: 264–71].
Antarctic plants most difficult to account for on any theory. Lyell’s iceberg transportal of seeds.
Are there more representative species of American origin in Tristan da Cunha than in Kerguelen land?