SMITHSONIAN 



CONTRIBUTIONS TO KNOWLEDGE 



VOL. XI. 



F.VEUY MAN IS A VALUABLE MEMBER OF SOCIETY, WHO, BY HIS OBSERVATIONS, RESEARCHES, AND EXPERIMENTS, PUdCUEES 



KNOWLEDGE FOE MEN. — SmITIISON. 



CITY OF WASHINGTON: 

 PUBLISHED BY THE SMITHSONIAN INSTITUTION. 



MDCCCT.IX. 



