Ce trait de pal ontologie d crit en d tail l'histoire naturelle des animaux fossiles. Il explore les liens entre la zoologie et la g ologie, et propose une analyse compl te des d couvertes pal ontologiques du XIXe si cle. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly...