–trap dikes in Dorchester and Canaan, 105f;

ibid, Wentworth, 107; ibid, at the fulls of the Campton, 108f;

tourmalines and diluvial scratches in Rumney, 107;

trap dikes on Red Hill, 111;

ibid, Moultonboro', Tamworth and Eaton, 112, 113.f

—, geological observations on, O. P. Hubbard, xxxiv, 105;

trap and granite boulders, and granite veins, 112;

blende, and galena near Eaton, 114;

White Mountains, 115;

effects of the deluge of August, 1826, 115;