extinct, of historic period, i. 110
extinct, comparative age of in Europe, i. 127
extinct, of the New World, i. 129
extinct, of N. America and Europe, compared, i. 141
original birthplace of some families and genera, i. 142, 153
of the secondary period, i. 160
MAMMALIA, summary and conclusion, ii. [540]
lines of migration of, ii. [544]
Manakins, ii. [102]
MANATIDÆ, ii. [210]