Adams, "the form and content of an African-American presence on the Mall."

Inadequate as the African-American presence is, other minorities are almost totally absent.

Until recently, the African-American presence on the Internet was minimal, reflecting the chicken-and-egg nature of Internet economics.

Buck Buchanan will not give us the African-American presence that we need.

"The avant-garde wouldn't be the American avant-garde without the African-American presence," he asserted.

"At the same time, the African-American presence in the community is diminishing quickly, but for some people maybe not quickly enough."

As for Tyrone Willingham, he will bring strong values and an African-American presence to a highly visible and influential program.

Henderson spoke about the N.F.L. work force, with its significant African-American presence.

In a league with a dominant African-American presence, the hiring season has been a virtual whitewash.

But Button is no hurry to send him to a United States city with a larger African-American presence.