>J 



SMITHSONIAN 

 MISCELLANEOUS COLLECTIONS 



VOL. 84 



l^vWiNc^??' 



m]^M. 





EVEBY MAN IS A' VALUABLE MEMBER OF SOCIETY WHO, BY HIS OBSERVATIONS, RESEARCHES, 

 AND EXPERIMENTS, PROCURES KNOWLEDGE FOR MEN" SMITHSO.V 



(Publication 31181 



GUY OF WASHINGTON 



PUBLISHED BY THE SMITHSONIAN INSTITUTION 



1931 



