SMITHSONIAN CONTRIBUTIONS TO KNOWLEDGE. 



TIDAL OBSERVATIONS 



A R CTTC SEAS. 



BY 



ELISHA KENT RANK, M.D., i ; .S. \. 



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

 IN 1S53. 3854, AND 1855, AT VAN RENSSELAER HARBOR. 



REDUCED AND DISCUSSED, 



OH A RLES A. SC HOTT 



ASSISTANT I'. S, c.iAST STTHVEY. 



[ACCEPTED POK PUBLICATION, JULY, I860.] 



