jr 0 
to 
20 
30 
40 
50 
60 
70 
80 
90 
too 
110 
120 
130 
140 
150 
160 
170 
180 
190 
200 
210 
220 
230 
240 
250 
260 
270 
280 
290 
>.— V 
3t. j 
», Jui 
PHYSICAL OCEANOGRAPHY OF THE GULF OF MAINE 527 
Temperature, Centigrade 
3 ° 4 ° 5 ° 6 ° 7 ° 8 ° 9 ° 10 ° 11 ° 12 ° 13 ° 14 ° 15 “ 16 ° 17 ° 18 ° 19 ° 20 * 
■O- 
srtical distribution of temperature in the western arm of the basin, off Cape Ann, March to Aug- 
., February 23, 1920 (station 20049); B, April 18, 1920 (station 20115); C, May 4, 1915 (station 10267); 
e 26, 1915 (station 10299); E, August, 31, 1915 (station 10307) 
