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A WEEKLY ILLUSTRATED JOURNAL OF SCIENCE. 
“To the solid ground 
Of Nature trusts the mind which builds for aye.-—WoRpDsworTll. 
No. 2467, VOL. 98] THURSDAY, FEBRUARY 8, 1917 [ Price SIXPENCE. 
Registered as a Newspaper at the General Post Office.] [All Rights Reserved. 
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: 38 HOLBORN VIADUCT, E.C.; 
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: , 45 CORNBILL, E.C.; 122 REGENT ST., W. 
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