April 30, 1999

Scientists Discover a New Species of Human Ancestor

By KIM A. McDONALD

Scientists working in Ethiopia have discovered a new species of human ancestor and the earliest-known evidence of butchery of animals.

The two findings, which date to 2.5 million years ago, are described in separate papers in the April 23 issue of Science.

Part of the skull, braincase, jaw, and limb bones of what appears to be a new, direct human ancestor -- an evolutionary link between Australopithecus

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