; Chapter 10 : Omo and Turkana; HOMINID CATASTROPHISM AND THE SINGLE-SPECIES HYPOTHESIS; THE OMO AND ETHIOPIA; KOOBI FORA AND THE TURKANA BASIN; THE ARTIFACTUAL RECORD; MORE FROM KOOBI FORA; Chapter 11 : Hadar, Lucy and Laetoli; HADAR, LUCY AND THE FIRST FAMILY; BODO AND LAETOLI; ONE SPECIES OR TWO?.