The Bookshelf for boys and girls: Nature and Outdoor Life part 3 (1912)
University Society, New York · New York : University Society · leaf 109
e time the climate of New York Stateand the surrounding country was much milderthan at present, and that a gradual change to acolder temperature had perhaps destroyed these to a great extent the destruction of the greatmammoth and many other forms in the north. When man appeared upon the scene, he… … THE ARCTIC SEA-COW. early forms of life before they were deprived oftheir natural element. The change that resulted in the glacial time,when this section of country was covered withice, undoubtedly caused the extermination ofmany forms of animal life. It may have beenlong ages in coming about, but…
Children's literature · Children's encyclopedias and dictionaries · Literature · Encyclopedias and dictionaries
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