Australia...It is not by the way only that the species are so numerous, but that these and the genera are so confoundedly well marked.

You have, in short, an incredible number of VERY LOCAL, WELL MARKED genera and species crowded into that corner of Australia." See "Introductory Essay to the Flora of Tasmania," 1859, page li.), and the seeds not readily germinating: do be cautious on this; consider lapse of time.

It does not suit my stomach at all.

It is like Wollaston's confined land-snails in Porto Santo, and confined to same spots since a Tertiary period, being due to their slow crawling powers; and yet we know that other shell-snails have stocked a whole country within a very few years with the same breeding powers, and same crawling powers, when the conditions have been favourable to the life of the introduced species.

Hypothetically I should rather look at the case as owing to--but as my notions are not very simple or clear, and only hypothetical, they are not worth inflicting on you.
I had vowed not to mention my everlasting Abstract (340/5.