Vestigial [adjective]

The first digit is vestigial and the second, third, and fourth are clawed.

In Cycloturus however the hallux is vestigial and it is absent in Glyptodonts.

There are indications of a vestigial second pair of incisors.

Or, on the other hand, may not such faculty be regarded not as vestigial, but as rudimentary?

Thus the view that the behaviour is vestigial is not perhaps unreasonable.

Nevertheless, these are but vestigial traces which the ceaseless European inflow will ultimately eradicate.

So buttons, ruffles, and the vermiform appendix of which we hear so much all fall in the category of vestigial structures.

In various Teleosts the scales are vestigial (eel); in others (as in most electric fishes) they have completely disappeared.

In the Achorutidae the head is forwardly directed, the tergum of the prothorax conspicuous, and the spring small or vestigial.

A fourth case is shown in the fruit fly, where an ebony fly with long wings is mated to a grey fly with vestigial wings (fig. 24).