He was surnamed Cursor from his swiftness of foot.
The specific name was given on account of the extraordinary swiftness of the animal.
He did so with masterly skill and swiftness, and the triumphs of Ulm and Austerlitz hid from view the disaster of Trafalgar; and the only official reference to that crushing defeat was couched in these terms: "Storms caused us to lose some ships of the line after a fight imprudently engaged" (speech to the Legislature, 2nd of March 1806).
The swiftness, the strength and the highly developed power of scent in the dog, have made it a powerful ally of man against the other animals; and perhaps these qualities in the dog were necessary to the establishment of society.
Of New Zealand, p. 362): "The kiwi is in some measure compensated for the absence of wings by its swiftness of foot.