—, pseudomorphous, in Massachusetts, at Southampton, vi, 214; ix, 249; xii, 256.
— —, in Pennsylvania, x, 223.
—, imitated by steatite, in Massachusetts, v, 249; vi, 333; viii, 51.
—, — —, in New Jersey, xxi, 320.
— rock of western Massachusetts, viii, 16.
— veins, origin of, G. Bischof, xlix, 396.
Quebec, cement of the Castle Rock, F. H. Baddely, xxviii, 367.
—, Literary and Historical Society, transactions of, xvii, 412; xxv, 211.
Queries, geological, proposed by the geologists of the New York State survey, xxxiii, 124.
— relative to mineral veins, xxxiii, 135.