Foreword / Elizabeth P. Benson -- Matthew William Stirlings, 1896-1975 / Michael D. Coe -- An intimate view of archaeological exploration / Marion Stirling Pugh -- Gift of the river : ecology of the San Lorenzo Olmec / Michael D. Coe -- A comparison of Olmec and Maya foodways / Elizabeth S. Wing -- On the nature of Olmec polity / Philip Drucker -- Olmec monuments : mutilation as a clue to meaning / David C. Grove -- Olmec architecture : a comparison of San Lorenzo and La Venta / Richard A. Diehl -- Toward a conception of monumental Olmec art / Beatriz de la Fuente -- Some Olmec objects in the Robert Woods Bliss collection at Dumbarton Oaks / Elizabeth P. Benson -- Concave mirrors from the site of La Venta, Tabasco : their occurrence, mineralogy, optical description, and function / Robert F. Heizer and Jonas E. Gullberg -- Olmec concave iron-ore mirrors : the aesthetics of a lithic technology and the Lord of the Mirror (with an illustrated catalogue of mirrors) / John B. Carlson -- Jaguar Baby or Toad Mother : a new look at an old problem in Olmec iconography / Peter T. Furst -- The old woman and the child : themes in the iconography of preclassic Mesoamerica / Peter David Joralemon -- The northern Olmec and pre-Olmec frontier on the Gulf Coast / S. Jeffrey K. Wilkerson -- Guerrero and the Olmec / Louise Iseut Paradis -- Olmec forms and materials found in central Guerrero / Gillett G. Griffin -- The Dainzu´ preclassic figurines / Ignacio Bernal -- Olmec horizons defined in Mound 20, San Isidro, Chiapas / Gareth W. Lowe -- Post-Olmec stone sculpture : the Olmec-Izapan transition on the southern Pacific Coast and highlands / Lee A. Parsons -- Tricephalic units in Olmec, Izapan-style, and Maya art / Jacinto Quirarte -- The Olmec style and Costa Rican archaeology / Anatole Pohorilenko.