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■^Report (Annual) of the Council of the Yorkshire Philosophical Society, for 

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+ Report of the Superintendent of the U. S. Coast and Geodetic survey showing 



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tRevue politique. 3 e sér. t. XXXIX, n. 12-17. Paris, 1887. 

 *Revue scientinque. 3 e sér. t. XXXIX, n. 12-17. Paris, 1887. 

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