152 REPORT— 1897. 



Fig. 6.— August 26, 1896. FiG. 7.— September 12, 1896. 



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Ftg. 8.— September 21, 1896, 

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Fig. 9.— September 23, 1896. 



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Fig. 10.— October 31, 1896. 



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Fig. 11 November 5, 1896. 



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Fig. 13.— Potsdam, February 6, 1897. 



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