The disappearance of the black rat was remarked by Pennant as far back as 1778.
By its dull reflection, the black rat could just distinguish his own whiskers.
Had it not been for the chieftain, the black rat might have regained the run.
The rabbit, black rat, brown rat and mouse have been introduced.
On the score of sentiment we need not distinguish between the black rat and the Brown.
The black rat sat back on his haunches, pricked up his ears, and listened.
Every rat knows the scratching of his relations; but the black rat had no relations.
The black rat retreated in good order, and established himself once more in a corner of the cellar.
Harvest mice and dormice, although widely distributed, are not numerous, and the original English black rat is now rare.
He also states that the black rat and the roof rat (Alexandrinus), both varieties of M. rattus, differ chiefly in color.