The comparison ought to have been exclusively between rising and fringed volcanic islands, and sinking and encircled volcanic islands.

I have read Naudin (87/7.
Naudin, "Revue Horticole," 1852 ?.), and Hooker agrees that he does not even touch on my views.
LETTER 88.

J.D.HOOKER TO CHARLES DARWIN.

[1859 or 1860.] I have had another talk with Bentham, who is greatly agitated by your book: evidently the stern, keen intellect is aroused, and he finds that it is too late to halt between two opinions.

How it will go we shall see.