Study of African Ancestors
McHenry travels regularly to Africa to extend his knowledge of human origins, focusing his studies on the fossil remains of australopithecines. The best-known of which are the 3.2 million year old remains of 'Lucy', discovered in 1974 by Donald Johanson of the Institute for Human Origins. According to McHenry, "The earlier species (Lucy) is more primitive in its skull and teeth, but has human-like body proportions," whereas "the later species, africanus, with more human-like skull and teeth, has the more ape-like body proportions--big arms, small legs."
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