VOL. Ill 



NO. 5. 



MARCH, 1897. 





ai 



i^W^S^g^ 



A Journal Devoted to Research in 

 Natural Science. 



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



Published the Fifteenth of Each Month by 



MUSEUM PUBLISHI!^JG CO., 



Walter F. Webb, Manager, 

 ALBION. N. Y. 



