SMITHSONIAN 



f 



u. 



VOL. XVII. 



EVERT MAN IS A VALUABLE MEMBER OF SOCIETY WHO BY HIS OBSERVATIONH, RKSKARCHES. 

 AND EXPERIMENTS PROCURES KNOWLEDGE FOR MEN."— SMITHSON. 



O^L^ 



WASHINGTON: 



PUBLISHED BY THE SMITHSONIAN INSTITUTION. 



1880. 



