Fishery Industries of the Uuitod Stiitea. Sect III, 



OCEAN TEMPERATURE CHART No. 25 



By RICHARD liATHBUN. 



Statioa: Petit Manaa Light House, Maine, 



Representing, by means of curves, the temperature of the air from i88i to 1.883, inclusive, and of -tte water at tlie surface from 



rSSt to X885, inclusive, reduced to means.of ten. days. 

 EXPLANATION OP THE CURVES i 1881, 1882, 1883, 1884, — X885. 



(Issued in 1886.) 



