Note 2065 — BOOK VIII. THE NATURE OF THE TERRESTRIAL ANIMALS. (continued 2)

The term “bidens,” employed by Pliny, although it literally means “having two teeth,” has been referred to the age of the animal, as indicated rather by the respective size of the teeth than by their number. It has been supposed to designate an animal of two years old, when the canine teeth of the lower jaw had become prominent.—B.