Wigand, Albert, [26], [52], [56], [57], [106], [135], [149], [170], [226].
Wundt, [142].
Würtemberger, [82].
Zittel, [56].
Zöllner, [128], [129], [131], [138], [139].
The Theories of Darwin,
AND THEIR RELATION TO
Wigand, Albert, [26], [52], [56], [57], [106], [135], [149], [170], [226].
Wundt, [142].
Würtemberger, [82].
Zittel, [56].
Zöllner, [128], [129], [131], [138], [139].
AND THEIR RELATION TO