Nature^ "1 



■ 2O, rgoSj 



November 



Nature 



A WEEKLY 



ILLUSTRATED JOURNAL OF SCIENCE 



VOLUME LXXVIII 



MAY to OCTOBER, 1908 



" To the solid ground 

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



1^0 nil on 

 M ACM I L LAN AND CO., Limited 



NEW YORK: THE MACMILLAN COMPANY 



