When we come to consider specific characters, we see that a difference exists—that, in short, the species and even genera are no longer represented u… - Robert Chambers

Indifference to life and indifference to the purity and amenity that sweeten existence must necessarily go together.

The whole train of animated beings, from the simplest and oldest up to the highest and most recent, are, then, to be regarded as a series of advances of the principle of development, which have depended upon external physical circumstances, to which the resulting animals are appropriate.

While there is such a persistency to ordinary observation, it would also appear that nature has a power of producing new varieties, though this is only done rarely. Such novelties of type abound in the vegetable world, are seen more rarely in the animal circle, and perhaps are least frequent of occurrence in our own race.