SMITHSONIAN 
MISCELLANEOUS COLLECTIONS, 
23 
VOL. XX XIII. 
“EVERY MAN 18 A VALUABLE MENEER OF SOCIETY WHO BY HIS OBSERVATIONS, RESEAKCHES, 
AND EXPERIMENTS PROCURES KNOWLEDGE FOR MEN.”’—SMITHGON. 
WASHINGTON: 
PUBLISHED BY THE SMITHSONIAN INSTITUTION. 
1888. 
