552 
BULLETIN OF THE BUREAU OF FISHERIES 
No temperatures were taken on the western part of Georges Bank or on Nantucket 
Shoals during April, 1920. In 1913 Mr. Douthart had surface readings of 6.6° on 
the northern part of Georges Bank on April 11 and 15, with 7.7° on its western side 
on the 27th (p. 980). Taking into account the annual differences between early and 
tardy springs, temperatures about 2° lower might have been expected at these stations 
and dates in 1920. A surface reading of 3.3° on Rose and Crown Shoal near Nan- 
tucket Island on April 27, 1923 (p. 996) suggests that the surface has about the same 
