Note 37 — Chapter VII · Prairies in Minnesota and Iowa.—Boulders.—Glacial Drift.—Wild Rice.—Snow Storm.—Nebraska.—The Pawnees.—Human Sacrifices.—Note on Indian Customs in War and Cannibalism.—Prairie Fires.—Prairie-Dog Villages.—Rattlesnakes.—Variations in the succession of growths of Trees.—Causes of absence of Trees upon Prairies.—Shoshone Indians on the Western Deserts.—Note upon Ute Indians and Fuegians.

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