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THE ORIGIN OF THE FITTEST: ESSAYS ON EVOLU- 

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 Contests : Part I. General Evolution. Part II. Structural E ^idence of 

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A TREATISE OW SURTEYIJTG, COMPRISING THE THEORY 

 AND THE PRACTICE. By William M. Gillespie, LL. D., for- 

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THE SUN. By C. A. Yo0NG, Ph. D., LL. D., Professor of Astronomy 

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THE POISON PROBLEM ; Or, THE CAUSE AND CURE OF 

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A NEW PHYSICAL GEOGRAPHY. By Elisee Recltjs. 

 Being Supplementary Volumes to M. Reclus's " Earth and its In- 

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i^ol. I. The Earth : A Descriptive History of the Phenomena of the Life 



of the Globe. 

 Vol. II. The Ocean, Atmosphere, and Life. 



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