SMITHSONIAN INSTITUTION 







HARRIMAN ALASKA SERIES 



VOLUME XIII 



LAND AND FRESH WATER 



MOLLUSKS 



BY 

 WILLIAM H. DALL 



HYDROIDS 



BY 



C. C. NUTTING 



(PUBLICATION 2000) 



CITY OF WASHINGTON 



PUBLISHED BY THE SMITHSONIAN INSTITUTION 

 1910 



