[18] Long's Expedition.
[19] From "opwaguu," (Algonquin) a pipe; and "lithos," (Gr.) a stone.
CATALOGUE OF MINERALS AND GEOLOGICAL SPECIMENS, (continued.)
October, 1819.
1. Sulphate of lime. Arkansas.
2. Sulphuret of lead, in quartz. Washington county, Mo.
3. Agate, from Persia. Brought by Captain Austin.
4. Serpentine. Derby, Conn.