ABSTRACT
Where are the beginnings of agriculture to be sought ? Were they independent in different regions, in different continents? How is' the ,geog.raphical localisation of primitive agriculture to be explained? Which plants were first brought into cultivation? Which animals were first domesticated, and where? Where shall we fi.nd the primary sources of cultivated plants? How are modern domesticated field animals and cultivated plants connected with their wild related types? How did the evolution of cultivated plants and anin1als proceed? How are primary agricul~ tural civilizations connected? Which implements were used by primitive agriculturists in different regions?
