Tiiio Amekican (tEolocist, Vol. XIX. 
Plate VII. 
Fig. 1.— Tourmaline in Pegmatite on and near the Wall-Rock (Mica Schist). 
Cii.a,ndler's Mills, N. H. 
Fig. 2.— Mass of Quaktzite in Pegmatite. Osgood's Ledge, Acwoeth, N. H. 
