riahery Industries of tbe United Statss, Sect. III. 



OCEAN TEMPERATURE CHART No. 17 



By RICHARD RATHBUN. 



Station: Vineyard Sound Light Ship, Massachusetts. 



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



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



EXPLANATION OF THE CURVES: i88i, 1882 1883. 1884, 1885. 



(Issued in i8S6.) 



