remarkable mosses in the Himalaya mountains, and derives additional
interest from having been named after the late Charles Lyell, Esq.,
of Kinnordy, the father of the most eminent geologist of the present
day.] with the English _Funaria hygrometrica._

The dense jungles of Chakoong completely cover the beautiful flat
terraces of stratified sand and gravel, which rise in three shelves
to 150 feet above the river, and whose edges appear as sharply cut as
if the latter had but lately retired from them. They are continuous
with a line of quartzy cliffs, covered with scarlet rhododendrons,
and in the holes of which a conglomerate of pebbles is found, 150
feet above the river. Everywhere immense boulders are scattered
about, some of which are sixty yards long: their surfaces are
water-worn into hollows, proving the river to have cut through nearly
300 feet of deposit, which once floored its valley. Lower down the
valley, and fully 2000 feet above the river, I had passed numerous
angular blocks resting on gentle slopes where no landslips could
possibly have deposited them; and which I therefore refer to ancient
glacial action: one of these, near the village of Niong, was nearly
square, eighty feet long, and ten high.

It is a remarkable fact, that this hot, damp gorge is never
malarious; this is attributable to the coolness of the river, and to
the water on the flats not stagnating; for at Choongtam, a march
further north, and 1500 feet higher, fevers and ague prevail in
summer on similar flats, but which have been cleared of jungle, and
are therefore exposed to the sun.

I had had constant headache for several mornings on waking, which I
did not fail to attribute to coming fever, or to the unhealthiness of