Marsh, Mr., on improvability of Asiatic and African deserts, 200
on camels and goats as destructive to vegetation, 200
Marsupials, classification of, 91
N. American Post-Pliocene, 130
European Miocene, 121
first migration to America, 155
diversified forms of, 391
of America prove no connexion with Australia, 399
list of Australian genera of, 476
Martes, N. American Tertiary, 135