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HALF-HOURS WITH THE STARS : a Plain and Easy Guide 

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THE STARS IN THEIR SEASONS: an Easy Guide to a 



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ROUGH WAYS MADE SMOOTH. Familiar Essays on 



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PLEASANT WAYS IN SCIENCE. Crown 8vo., 3*. 6</. 

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PHYSIOGRAPHY AND GEOLOGY. 



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GREEN. PHYSICAL GEOLOGY FOR STUDENTS AND 

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