eS Sees 
* Nature, J 
March 26, 1914 
Nature 
A WEEKLY 
ILLUSTRATED JOURNAL OF SCIENCE 
VOLUME XCII 
SEPTEMBER, 1913, to FEBRUARY, 1914 
“To the solid ground 
Of Nature trusts the mind which builds for aye.’—WoRDSWORTH 
~aanian ‘i 
er” Institaes 
co 
APR 6 19] 
W ABAX } 
ional Muse 
¥ondon 
MACMILLAN AND CO. LimiTED 
NEW YORK: THE MACMILLAN COMPANY 
