A WEEKLY ILLUSTRATED JOURNAL OF SCIENCE. 



" To the solid ground 

 Of Nature trusts the mind which builds for aye." — Wordsworth. 



No. 1 69 1, Vol. 6s] 



THURSDAY, MARCH 27, 1902. 



Price Sixpence. 



Registered as a Newspaper at the General Post Office.] 



[All Rights are Reserved. 



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