662 



REPORT OF NATIONAL MUSUEM, 1888. 



the United States. They are found in abundance in Ohio. Their use 

 or purpose is entirely unknown. The subject forms an interesting 

 study. Dr. Eau published an interesting monograph thereon, entitled, 

 " Observations on Cup-shaped and other Lapidariau Sculptures," con- 

 tributions to North American Ethnology, vol. V, etc. He inclines to 

 give them a religious rather than a utilitarian character. 



PIPES AND SMOKINa TUBES. 



Ko class of aboriginal productions of art exhibit a greater diversity 

 of form than do the pipes of the i)rehistoric man of North America. 



Fig. 35. 

 Stone Pipes. 



