He played at the beginning of the group's summer tour, in June, but starting early last month the group replaced him onstage.

These data suggest that genetically and geographically distinct groups of bear have replaced each other relatively often during the last 60,000 years.

The group replaced all of the reserves depleted from production after the partnership was created in 1983.

For the 75 years our company has been in business, one immigrant group of workers has replaced another on the factory floor.

After a few months, they would be allowed to return to Russia, and a new group of four to six would replace them, the officials said.

The next day, another group of honored sales representatives would replace them.

The population change usually has racial overtones, which can add to political frictions that are always present when one economic group replaces another.

Kathy's group, I noticed, had replaced a suicide husband with a new wife.

Each group replaced the previous one to take advantage of low-cost housing and job opportunities in the area.

Thus the incoming group replaces the leaving group in one step.