[fraser] 



PACIFIC SALMON 



177 



Among 4 and 5-year fish, most of which were mature, the females 

 very distinctly predominate. A table will show the ratios: 



Sea Type 



Stream Type 



The data are not suitable for determining the relative growth of 

 male and female fish. 



It is interesting to attempt a comparison between these spring 

 salmon and the smaller number examined the previous year, although, 

 as in that number there were several from localities other than the 

 strait of Georgia, differences might reasonably be expected. ^'^, 



In the first point to consider, viz.: the percentages of sea-run 

 and stream-run fish, the parallel is striking. In the 1916 collection 

 there were 924 out of 1412 or 65-4% of the sea type; in the 1915 col- 

 lection there were 199 out of 306 or 65 • 0%. This would be worthy of 

 remark even if they were all from the same locality, in the succeeding 

 years. As it is, the conclusion seems justified that the outside locali- 

 ties have much the same proportion of each type as the strait of Georgia 

 unless it be that there are different proportions in the different lo- 

 calities and these balance each other to get a resultant proportion 

 similar to that in the strait, but while that would be possible it would 

 be scarcely probable. 



