Also issued as House document 481, 62nd Congress, 2nd session.

General considerations / by Aleš Hrdlička -- Enumeration of the South American finds relating to early man / by Aleš Hrdlička -- General geologic notes / by Bailey Willis -- Tiera cocida : scoriae / by Bailey Willis -- Petrographic study of the specimens of loess, tierra cocida, and scoria collected by the Hrdlička-Willis expedition / by Fred. Eugene Wright and Clarence N. Fenner -- Peculiar stone industries of the Argentine coast / by Aleš Hrdlička -- The skeletal remains of early man in South America / by Aleš Hrdlička -- General conclusions.