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II.—Did the Cold of the Glacial Epoch extend over the Southern Hemisphere?
Published online by Cambridge University Press: 01 May 2009
Extract
So many geologists appear to take it for granted that the cold of the Glacial Epoch extended over the whole earth that a few words of caution from the Southern Hemisphere may not perhaps be out of place.
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References
page 581 note 1 The theory referred to by Capt. Hutton is indeed opposed to the views of some astronomers, but not necessarily therefore to Astronomy.—Edit. Geol. Mag.
page 581 note 2 A more serious difficulty for Geologists has arisen than that of explaining the cold of the Glacial epoch; namely, to explain the warm-temperate and even subtropical heat of the Earlier Tertiary periods in high northern latitudes. Such changes are not “founded on conjecture.” See Prof. Nordenskiöld's article in the November Number of the Geol. Mag. p. 525. See also Address to the Geologists' Association, by Woodward, H. F.S.S., 11. 6th, 1874, Proe. Geol. Assoc. 1875, vol. iv.Google Scholar —Edit. Geol. Mag.
page 582 note 1 A minute shell dredged in Foveaux Straits, which may have been overlooked in the north.
page 582 note 2 Dr. Hector, F.R.S., Director of the Geological Survey of New Zealand, was the first, in 1863, to oppose the notion of a Glacial epoch in New Zealand as quite irreconcilable with observed facts; and he showed that the former extension of the glaciers is sufficiently accounted for by the gradual reduction of the surface-area exposed above the perpetual snow-line; firstly by its erosion into valleys, ridges, and peaks; and secondly by its gradual subsidence. [See his paper Journ. Roy. Geograph. Soc. 1864, p. 103; and Geol. Mag. 1870, Vol. VII. p. 95.]—Edit. Grol. Mag.
page 583 note 1 Ann. Nat. Hist. 3rd series, xx. p. 194Google Scholar.