insects of, 205
islands of, 206
sea not separating distinct faunas, 201
Megacerops, N. American Tertiary, 137
Megalomeryx, N. American Tertiary, 138
Megalocnus, fossil in Cuba, 148
Megalonyx, N. American Post-Pliocene, 130
in Brazilian caves, 145
S. American Pliocene, 147
Megalostoma, Eocene, 169