r 12, 1902J 



Nature 



A WEEKLY 



ILLUSTRATED JOURNAL OF SCIENCE 



VOLUME LXV 



NOVEMBER igoi to APRIL 1902 



" To the solid ground 

 Of A\itu/r t/usis the >in/id u'hich builds for aye." — Wordsworth 



€011 Don 

 MACMILLAN AND CO., Limited 



NEW YORK: THE MACMILLAN COMPANY 



