—, —, characters of anthracite, B. Silliman, xi, 91;

–analysis of the Lehigh by L. Vanuxem, 93;

directions as to burning, 94;

remarks on M. Bull's memoir on the healing power of fuels, 98.

—, coal; value, position, extent, &c., of anthracite, J. Pierce, xii, 54.

—, —, Mauch Chunk, J. Pierce, xii, 56;

yield of Mauch Chunk beds in 1825, and statistics relating to, 57;

navigation of the Lehigh, 58;

rations to laborers, 61;

Mount Carbon or Pottsville, 63;