WAIDNER, DICKINSON AND CROWE! OCEAN TEMPERATURES 411 



ature record in approaching and leaving a growler. The re- 

 mainder of the curves in figure 2 are the records for all the courses 

 around the large berg, shown in figure 1. The temperature 

 records for the several courses differ so much that no certain 

 effect can be attributed to the iceberg. The mean of the curves 

 for all the courses is shown in the lower part of figure 2. 



Course 



-/ 



-2 



oppraacAwd 



/eai^//7^ 



/OM 



/ff/f 



Mean Cuf^i^^ 



+; 



-/ 



Temperature r?ear ber^sCahouf 5O0 ycfs) 



arb/fran'/y f^/re/? as o° 



Fig. 3. Average temperature about several bergs 



In figure 3 are reproduced all the temperature records, ex- 

 cept those of June 17, for approaching and leaving icebergs, the 

 temperatures at the bergs being always arbitrarily taken as the 

 zero of temperature. The mean curve shown below, indicates 



