VOL III. 



NO. 10. 



AUGUST, 1897. 





iBi 



A Journal Devoted to Research in 

 Natural Science. 



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



Publlsbed the Fifteenth of Each Month by 



MUSEUM PU3LISHING CO., 



Walter F. Webb, Manager, 

 ALBION, N. Y. 



