x Turned over to Harvard к MEDALS OF CREATION; THE FIRST LESSONS IN GEOLOGY, OR, AND IN THE STUDY OF Organic Remains. GIDEON ALGERNON MANTELL, LL.D. FRE AUTHOR OF THE WONDERS OF GEOLOGY, BY IN TWO VOLS.-VOL. I. CONTAINING "Voilà! une nouvelle espèce de médailles, beaucoup plus impor- LIBRAPY FOSSIL VEGETABLES, INFUSORIA, ZOOPHYTES, ECHINODERMS, PUBLIC LONDON: HENRY G. BOHN, YORK STREET, COVENT GARDEN. M DCCCXLIV. |