Lophiodon. A fossil animal allied to the tapir.
Lycopodium. A cryptogamous plant.
Macauco. A four-handed animal allied to the Ape family.
Mammalia. Animals that suckle their young.
Marl. A mixture of clay and lime.
Marsupial. An animal having a pouch, as the kangaroo.
Mastodon. A gigantic extinct quadruped resembling the elephant.
Matrix. The earthy or stony matter in which a mineral or fossil is imbedded.
Mechanical Rocks. Rocks formed by deposition from water.
Megalosaurus. A gigantic extinct lizard.