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© 1960 

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The articles here published have been selected from the Pro- 

 ceedings of the Symposium on the Origin of Life on the Earth 

 held in Moscow and sponsored by the U.S.S.R. Academy of 

 Sciences, edited by A. I. Oparin, A. G. Pasynskii, A. E. 

 Braunshtein and T. E. Pavlovskaya, published as Vol. I in 

 the International Union of Biochemistry Symposium Series, 

 Pergamon Press, 1959. 



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