CHAPTER XVII. Close of the winter solstice, and introduction of a northern spring--News from the world--The Indian languages--Narrative Journal--Semi-civilization of the ancient Aztec tribes--Their arts and languages--Hill's ironical review of the "Transactions of the Royal Society"-- A test of modern civilization--Sugar making--Trip to one of the camps--Geology of Manhattan Island--Ontwa, an Indian poem--Northern ornithology--Dreams--The Indian apowa--Printed queries of General Cass--Prospect of the mineral agency--Exploration of the St. Peter's--Information on that head..