105 



Avcra<,^C' calclics of iuiniatuie' wliitiii(>' ou llic Mersey 

 Shrimping Grounds during' the years 1.S9-"!-!); witli the 

 temperature of the sea for tlie year 190-3 : 



'■'■'■ " 3-raouthly averages takeu uiouthly.'' 



That they may be the more easily understood I have 

 represented these results on the ehart. The curve has 

 been '* smoothed." 



NoAV, one must remember thai ihe temperature obser- 

 vations are few and imperfeet, and that the form of the 

 curve might be ditt'erent if a nu)re extensive series of 

 observations were available. ^Nevertheless, it will be seeji 



