quaternary

“Quartenary” was amended to “Quaternary” in the first paragraph.

They are referred to the dawn of the Quaternary or Pleistocene period.

In Europe it has appeared since the neolithic age, after the quaternary period.

It may have been in the Tertiary, the Quaternary, or not until the Recent period.

How does this affect the most characteristic of all Quaternary forms, that of man?

Does pre-glacial mean Pliocene, or is it included in the Quaternary?

Lastly, only in the Quaternary comes the genus Equus, or true horse.

Ternary, and quaternary, consist of three and four elements.

The flora itself at the quaternary age was of extreme vigor.

Normal gray is black and white mixed, but quaternary colors are also called grays, or colors of the dull or neutral scale.