emo. 
to the great variation in the size of the individuals, a hectolitre will in one year represent 
a far greater number of fish than in another. We know however, the size of the herring 
for the last few years, and it has therefore been possible to calculate the number of her- 
=~wpwhaanrnewnsd 
Ge DOL Lia 4 G6 2) © Gi Te IE 
Fig. 28. Yield of the fat herring and spring herring fisheries for the years 1896—1913. 
— Fat herring. --- Spring herring. 15 = 1,500,000 hectolitres. 
rings taken in the years 1907—1913, both as for spring herring on the whole and also 
as for the 1904 year class among the spring shoals. The result of this calculation will 
be found in the following table, and in the graph shown in Fig. 29 
No. of millions of herring taken in the years 1907—-1913. 
Vish of all ages Year class 1904 
1907.... 440 @ 
de Sail 112 
ee AE sea 
LOTO SS 400 
IW cee Hl 363 
Oo ae) 283 
In. (Ml 434 
19071913.... 3312 1776 
