CHAPTER XXXVI. Lecture before the Lyceum--Temperature in the North--Rum and taxes--A mild winter adverse to Indians--Death of a friend--Christian atonement--Threats of a Caliban, or an Indianized white man--Indian emporium--Bringing up children--Youth gone astray--Mount Hope Institution--Expedition into the Indian country--Natural History of the United States--A reminiscence--Voyage inland..