Fisliprv Industries of the Fnitetl States, Sect, ITT. 



OCEAN TEMPERATURE CHART No. 30 



By RICHARD RATHBUN, 



Isothermal lines connecting the series of Light House Stations represented on Chart No. i, constructed fof 

 every five degrees of temperature, Fahrenheit, from 40 degrees to 80 degrees, inclusive, for the year 1885 



aSSTTED IN 1886.1 



