'IXll'l^ 



NATURE 



A WEEKLY 



ILLUSTRATED JOURNAL OF SCIENCE 



VOLUME XVI. 



MAY 1877 to OCTOBER 1877 



^^-O 



" To the solid ground 

 Of Naliire trusts the mind 7vhich builds for aye."^ Wordsworth 



MACMILLAN AND CO, 



1877 



