12 EXPLOEATIONS, WESTERN ATLANTIC, STEAMER BACHE, 1914. 



The temperatures a few miles south of Bermuda agree very closely 

 for the two years, one being slightly colder at some depths, the other 

 at other depths, as illustrated by the following table, constructed 



Temperature, Centigrade 

 4 5*' 6 7 8 9 10° 11 12 13 14 15° 16 17 18 19 20° 21 22 23 



Meter 



100 



200 



300 



400 



500 



600 



700 



800 



900 



1000 



1100 



1200 



1300 



1400 



1500 



1600 



1700 



1800 



Fig. 6.— Temperature sections in the oceanic basin east of the Bahama Bank; stations 10193, 10210, 10212; 

 and in the northeast Providence channel, station 10196. (Do\vti to 1,800 meters only.) 



from the temperature curves for Challenger station 57b, 20 miles 

 southwest of Bermuda (Murray, 1884), and Bache station 10181 : 



Depth in meters. 





 100 

 200 

 300 

 400 

 500 

 600 

 700 

 800 

 900 



Depth in meters. 



1,000 

 1,100 

 1,200 

 1,300 

 1,400 

 1,500 

 1,000 

 1,700 

 1.800 



Differ- 

 ence. 



' C. 



- .88 

 -1.2 

 -1 



- .8 



- .68 



- .5 



- .2 



- .2 



- .3 



The only important difference — the warmer surface in 1873 — is no 

 doubt due to the fact that observations were taken in May, 1873, 

 and in February, 1914. 



