——, on the appearance of species, [312].

——, on Barrande's colonies, [313].

——, on tertiary formations of Europe and North America, [323].

——, on parallelism of tertiary formations, [328].

——, on transport of seeds by icebergs, [363].

——, on great alternations of climate, [382].

——, on the distribution of fresh-water shells, [385].

——, on land-shells of Madeira, [402].

Lyell and Dawson on fossilized trees in Nova Scotia, [297].

M.