V^OL. II NO. 4. 



FEBRUARY, 1896. 



U^EUTH^ 



A Journal Devoted to Research in 

 Natural Science. 



RA TES: — $1.00 per year to all countries, in advance. Single numbers, 10 cts. 



Berlin Agency, R. Feiedlander & Sohn, Berlin, N. W, Carlstrasse 11. 

 London Agency, Swann & Co., 1 and 3 Bouverie St., Fleet St., London, England. 



Published the Fifteenth of Bach IVlonth by 

 ^V ALTER F. WEBB, ALBION, N. Y. 



