Amazon.com description: Product Description: "[...] I. Lower Status of Savagery. This period commenced with the infancy of the human race, and may be said to have ended with the acquisition of a fish subsistence and of a knowledge of the use of fire. Mankind were then living in their original restricted habitat, and subsisting upon fruits and nuts. The commencement of articulate speech belongs to this period. No exemplification of tribes of mankind in this condition remained to the historical period. II. Middle Status of Savagery. It commenced with the acquisition of a fish subsistence and a knowledge of the use of fire, and ended with the invention of the bow and arrow. Mankind, while in this condition, spread from their original habitat over the[...]".