PiTii American (iEor.oiiisr, V(jl. XIX. 
Plate VIII. 
Fig. 3.— Veins of Quartz in Pegmatite. Osgood's Ledge. Acworth, N. H. 
Fig. ,').— Lenses of Pegmatite in Wix^Eriis aikici (Im. 
Honey Brook Ledges, Acworth, N. H. 
