serpentine, 11;
granular limestone, 13;
quartz rock, 16;
argillaceous slate, &c., 18;
dip and course, 27;
ores and minerals, 30, 243;
alternations of mica slate and granular limestone, 15, 240.
—, geology of the vicinity of Lowell, xxvii, 340.
—, — Hampshire Co., with an account of the lead mines, A. Nash, xii, 238.f
—, — Martha's Vineyard and the Elizabeth Islands, vii, 240f; xlvi, 318.