450 



DEPARTMENT OF TEE 2\"Ay.4L SERVICE 



Bay of Fundy. (Prince Station 3). 



Southern Part of Gulf. (Princess Station 25). 



The general result is that for the Bay of Islands the percentage varies from 19 to 

 22, with the greatest number at 20; for the Bay of Fundy, from 16 to 20, with the 

 greatest number at 17 ; and for the lower part of the gulf from 14 to 19, with the 

 greatest number at 16. The individual sizes show similar gradations. 



We have very little knowledge as to the conditions under which these forms 

 grow, and as to their life-histories, but the greater differences in tail percentages 

 shown by the larger individuals is, I think significant. 



As will be shown farther on, the young individuals occur much nearer the 

 surface than do the older ones. This surface water becomes quite warm in the 

 summer throughout the region (except in the Bay of Fundy, from which we have no 

 specimens) so that conditions are much the same for the young in all the regions and 

 as a result, the tail percentages do not greatly differ. The older individuals seek the 



