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Evolution, Antiquity of Man, Bacteria, Etc by William Durham. This book is a reproduction of the original book published in 1890 and may have some imperfections such as marks or hand-written notes.

Charles Darwin's "On the Origins of Species" had two principal goals: to show that species had not been separately created and to show that natural selection had been the main force behind their proliferation and descent from common ancestors. In "Coevolution," the author proposes a powerful new theory of cultural evolution--that is, of the descent with modification of the shared conceptual systems we call "cultures"--that is parallel in many ways to Darwin's theory of organic evolution.

The author suggests that a process of cultural selection, or preservation by preference, driven chiefly...

Looking at both population and land tenure dynamics in their historical context, this study challenges the view that the 1969 conflict between El Salvador and Honduras was primarily a response to population pressure. The author demonstrates that land scarcity, a principal cause of the war, was largely a product of the concentration of landholdings. The analysis focuses on the emigration of 300,000 Salvadoreans to Honduras in the years before the war, inquiring into the reasons for the emigration, its impact on local agricultural economies, and its relation to the conflict. Answers to these...

An important and timely study of environmental degradation in Central and South America.