as an introduction to the study of geographical distribution, concluding remarks on, 169

Palæonyctis, European Eocene, 125

Palæoperdix, European Miocene, 161

Palæophrynus, European Miocene, 166

Palæoreas, Miocene of Greece, 116

Palæortyx, European Miocene, 161

Palæoryx, Miocene of Greece, 116

Palæospalax, 111

European Miocene, 117

Palæosyops, N. American Tertiary, 136