Supplement to Nature, ' 

 June 1 6, 1898 



Natu re 



A WEEKLY 



ILLUSTRATED JOURNAL OF SCIENCE 



VOLUME LVII 



NOVEMBER 1897 to APRIL 1898 





To the solid ground 

 Of Nature tiusts the mind 7C'hich builds for aye.'" — WoKDbwOKi H 



MACMILLAN AND CO., Limited 

 NEW YORK THE MACMILI-AN COMPANY 



