Nature 



A WEEKLY 



ILLUSTRATED JOURNAL OF SCIENCE 



VOLUME XXIX 



NOVEMBER 1883 to APRIL lE 



" lo the solid ground 

 Of Nature ti lists the mind w/iidi builds for aye.'' — Wordsworth 



Conboii anir |Tctvi |)orh 

 M A C M I L L A N AND CO. 



18S4 



