WARM INTER-GLACIAL PERIODS IN ARCTIC REGIONS.
Cold Periods best marked in Temperate, and Warm Periods
in Arctic, Regions.—State of Arctic Regions during
Glacial Period.—Effects of Removal of Ice from Arctic
Regions.—Ocean-currents; Influence on Arctic Climate.—Reason
why Remains of Inter-glacial Period are rare in Arctic
Regions.—Remains of Ancient Forests in Banks’s Land, Prince
Patrick’s Island, &c.—Opinions of Sir R. Murchison, Captain
Osborn, and Professor Haughton.—Tree dug up by Sir E. Belcher
in lat. 75° N. 258