^: 



VOL. V. 



NO. 10. 



AUGUST, 1899. 



U^EU/H 



A Journal Devoted to Research in Natural Science. 



RA TES: — ^o cts. per year to all countries, in advance. Single numbers, 5 cts. 



Published on the 15th of each month by Museum Publishing Co., Albion, N. Y. 



