do not suppose we shall leave before 7th or 8th of September, and we
shall get home by easy stages not much before the end of the month.

Ever yours very faithfully,

T.H. Huxley.

Madder than ever on Gentians.

[The following is in reply to Sir E. Frankland's inquiries with
reference to the reported presence of fish in the reservoirs of one of
the water-companies.]

Hotel Righi Vaudois, Glion, September 16, 1887.

We left Arolla about ten days ago, and after staying a day at St.
Maurice in consequence of my wife's indisposition, came on here where
your letter just received has followed me. I am happy to say I am quite
set up again, and as I can manage my 1500 or 2000 feet as well as ever,
I may be pretty clear that my pleurisy has not left my lung sticking
anywhere.

I will take your inquiries seriatim. (1) The faith of your small
boyhood is justified. Eels do wander overland, especially in the wet
stormy nights they prefer for migration. But so far as I know this is
the habit only of good-sized, downwardly-moving eels. I am not aware
that the minute fry take to the land on their journey upwards.

(2) Male eels are now well known. I have gone over the evidence myself
and examined many. But the reproductive organs of both sexes remain