SMITHSONIAN 



CONTRIBUTIONS TO KNOWLEDGE. 



VOL. XXII 



EVEKV MAN JS A VALUABLE MEMBER OF SOCIETY, WHO, BV HIS OBSERVATIONS, RESEAZOUES, AND EXPERIMENTS, rKOCUBt.S 



KNOWLEUOE FOR MEN. SMITHSON. 



CITY" al'' WASHINGTON: 

 PUBLISHED BY TtlE SMITHSONIAN INSTITUTION. 



MDCCCLXXX. 



