No. 10 in **E£.220a.13 Murchison, Sir Roderick Impey.
Address delivered at the anniversary meeting of the Geological society of London on the 18th of February, 1842, and the announcement of the award of the Wollaston medal and donation fund for the same year.
Londons pr. by Je Ej & Re Taylor. 1842. 73 pp. 8°.