VOL. IV. 



NO. II. 



SEPTEMBER, 1898. 



^m^^^cm 



U^EUTH 



r^io: 



A Journal Devoted to Research in Natural Science. 



KA TES: — jio its. per year to all countries, in advance. Single numbers, 5 cts. 



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



