BY THE SAME AUTHOR continued. 



EXAMINATIONS IN NATURAL HISTORY. 



BEING A PROGRESSIVE SERIES OF QUESTIONS ADAPTED TO THE 



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VII. 



ON THE STRUCTURE AND AFFINITIES OF 

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Illustrated with Engravings on Wood, and 15 Lithograph Plates. 

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vin. 

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' ' This book will be found to be one of the best of guides to the principles of Palaeontology 

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IX. 



THE ANCIENT LIFE -HISTORY OF THE EARTH. 



AN OUTLINE OF THE PRINCIPLES AND LEADING FACTS OF PALSONTO- 

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X. 



MONOGRAPH OF THE BRITISH GRAPTOLITID^E. 



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