If this had occurred, we should meet with the same form, independently of genetic connection, recurring in widely separated geological formations; and the balance of evidence is opposed to any such an admission.

如果发生这种情况， 我们应该会遇到相同的形式， 独立于遗传联系， 在广泛分离的地质构造中反复出现；证据的平衡反对任何这样的承认。

Whether natural selection has really thus acted in adapting the various forms of life to their several conditions and stations, must be judged by the general tenour and balance of evidence given in the following chapters.

自然选择是否真的因此使各种生命形式适应它们的不同条件和地位，必须根据以下各章中给出的证据的一般基调和平衡来判断。