Delphinus, European Pliocene, 112
Dendrocygna, European Miocene, 162
Desman of S. Russia, figure of, 219
Diceratherium, N. American Tertiary, 137
Dichobune, European Eocene, 126
Dicotyles, N. American Post-Pliocene, 130
N. American Tertiary, 137
in Brazilian caves, 144
S. American Pliocene, 146
birthplace and migrations of, 155