SMITHSONIAN CONTRlIiUTIONS TO KNOWLEDGE. 



TIDAL OBSERVATIONS 



ARCTIC SEAS. 



BY 



ELISHA KENT KANE, M.D., U.S.N. 



MADK DURING THE SECOND GRINNELL EXPEDITION IN SEARCH OF SIR JOHN FRANKLIN, 

 IN 1853, 1854, AND 1855, AT VAN RENSSELAER HARBOR. 



REDUCED AND DISCUSSED, 



CHARLES A. SCHOTT, 



ASSISTANT U. S. COAi^T STTRVEV. 



[ACCEPTKI) for publication, JULY, 18G(i.] 



