SMITHSONIAN 



VOL. XIX. 



'EVF.RY JIA.N IS A VALUABLE MEMBEU OF SOCIETY 'WnO BY HIS OBSERVATIONS, RESEARCHES, 

 AND EXrEKIJIENTS PROCURES KNOWLEDGE FOR MEN." — SMITHSON. 



WASHINGTON: 

 PUBLISHED BY THE SMITHSONIAN INSTITUTION. 



1880. 



