That such a moth exists in Madagascar may be safely predicted

they do vary continuously in many directions; and thus there is always material for natural selection to act upon in some direction that may be advantageous.

If I had to fix on two only as representing the perfection of the two classes, I should certainly choose the Durian and the Orange as the king and queen of fruits.

I can see much to admire in all religions

But whether there be a God and whatever be His nature; whether we have an immortal soul or not, or whatever may be our state after death, I can have no fear of having to suffer for the study of nature and the search for truth

Every species has come into existence coincident both in space and time with a pre-existing closely allied species.

He [the naturalist] looks upon every species of animal and plant now living as the individual letters which go to make up one of the volumes of our earth's history; and, as a few lost letters may make a sentence unintelligible, so the …