| →
Periods of the North and South
. 1869 |
|
Period
. 1866 |
|
Periods in the North and South
. 1872 |
|
| ↑ 1 blocks not present in 1859 1860 1861 1866 1869; present in 1872 |
| The same observer has recently found great moraines at a low level on the Atlas range in N. Africa.
|
|
| → gigantic ancient 1859 1860 1861 1866 1869 |
| ancient and gigantic 1872 |
|
| → immense 1869 |
| enormous 1866 |
| in New Zealand immense 1872 |
|
| → in New Zealand; 1866 1869 |
| OMIT 1872 |
|
| → of the continent, as 1869 1872 |
| as 1859 1860 1861 1866 |
|
| → nearly under the equator, glaciers 1869 1872 |
| glaciers 1859 1860 1861 1866 |
|
| → examined 1861 1866 1869 1872 |
| was astonished at the structure of 1859 1860 |
|
|
Glacial
→
Periods of the North and South
.
|
| But we must return to our more immediate
I am convinced that
view may be largely extended. In Europe we
the plainest evidence of the
period, from the western shores of Britain to the Oural range, and southward to the Pyrenees. We may
from the frozen mammals and nature of the mountain vegetation, that Siberia was similarly affected. In the Lebanon, according to Dr. Hooker, perpetual snow formerly covered the central axis, and
glaciers which rolled 4000 feet down
valleys. ↑
Along the Himalaya, at points 900 miles apart, glaciers have left the marks of their former low descent; and in Sikkim, Dr. Hooker saw maize growing on
→gigantic ancient
moraines. Southward of the
on the opposite side of the equator, we
know, from the excellent researches of Dr. J. Haast and Dr. Hector, that
→immense
glaciers formerly descended to a low
→in New Zealand;
and the same plants found by Dr. Hooker on widely separated mountains in this island tell the same story of a former cold period. From facts
communicated to me by the Rev. W. B. Clarke, it appears also that there are
traces of former glacial action on the mountains of the south-eastern corner of Australia.
|
|
| Looking to
in the northern half, ice-borne fragments of rock have been observed on the eastern side
→of the continent, as
far south as lat.
and on the shores of the Pacific, where the climate is now so different, as far south as lat.
boulders have, also, been noticed on the Rocky Mountains. In the Cordillera of
South America,
→nearly under the equator, glaciers
once extended far below their
level. In
I
→examined
|
