VOL. II. 



NO. 5. 



MARCH, 1896. 





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. Fkiedlander & Sohn, Berlin, N. W, Carlstrasse 11. 

 London Agency, Swann & Co., 1 and 2 Bouverie St., Fleet St., London, England. 



Published tbe Fifteenth of Each Month by 

 WALTER F. WEBB, ALBION, IV. Y. 



