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No. 2. PHYSICS AND POLITICS ; or. Thoughts on the Application of the 



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No. 8. ANIMAL LOCOMOTION ; or. Walking, Swimming, and Flying, 



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No. 13. THE DOCTRINE OF DESCENT AND DARWINISM. 



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No. 18. THE NATURE OF LIGHT, with a General Account of Physlc.il 

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No. 19. ANIMAL PARASITES AND MESSMATES. By Monsjeur 

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No. 21. THE FIVE SENSES OF MAN. {In press.) 



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