Fishery Indnstries of the United States, Sect.III. 



OCEAN TEMPERATURE CHART No. 4 



B7 RICHARD RATHBUN. 



Station: Fowey Rocks Light House, Florida. 



^Representing, by means of curves, the temperature of tlie air from j88i to 1883, inclusive, and of the water at the sutfece .fram 



188 T to iSSji inclusive, reduced to means of ten days. 



EXPLANATION OF THE CXJRVES: 1881, ^ — 1882, 1883, 1884- — ■ 1885. 



(Issued w t886.) 



