Fishery Indaatriea of tlip United States, Seet. III. 



OCEAN TEMPERATURE CHART No. 18 



By RICHARD RATHBUN. 



Station: Nantucket New South Shoal Light Ship. 



Representing, by means of curves, the temperature of the air from 1881 to 1883, inclusive, and of the water at the surface firom 



1881 to 1885, inclusive, reduced to means of ten days. 



EXPLANATION OF THE CURVES: — 1881, 1882, .1883, 1884, 1885. 



(Issued in 18S6.) 



