The light, portable ivories would have been particularly attractive as loot.
The evidence from these workshops shows that the craftsmen were producing prestige valuables: enamels, glassware, ivories, bonework and elaborate metalwork.
Policy-makers do not operate in an ivory tower, exempt from the pressures of interest groups.
Unlike the academic moralists, she is not "firmly imprisoned in an ivory tower".
Scientists will have to quit their ivory towers in order to explain how the patient sorting out of tested information can facilitate agreement.
All ivory gulls were observed in small areas of open water in large expanses covered with mostly solid sea ice.
On three of the four occasions when the ship encountered a polar bear, ivory gulls were also present.
Of the four bears seen during the 1993 cruise, three had ivory gulls associated with them.
