perinus_, 294

_Tubella pensylvanica_, 94

Tundras in Northern Europe, 209-210

_Turnix sylvatica_, 291-292

Tyndall, J., 68

_Typhlops lumbricalis_, 259

Tyrrhenian Continent, 280

_Unio (Margaritana) margaritifer_, 93

_Ursus maritimus_, 134

Ussher, R. J., 92, 105

_Vanessa cardui_, 98

_Vertigo alpestris_, 93

Viper, range of, 192

Vole, range of, 313-314

Wagtails, origin and range of, 254, 292

Wallace, A. R., 12-13, 18-19, 23, 58, 99, 111, 304

Warming, E., 76, 163

Watson, H. C., 100

Wax-bill, migrations of, 205

Welch, R., 298

West-Indian land-shells, 21

White, Buchanan, 509, 113

Willow-grouse, 91, 142

Woodward, B. B. (_vide_ Kennard and Woodward)

Wright, J., 84

Zittel, 252

_Zonites_, 49, 195, 322-323

THE END.

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