61 
Year. 1906 1907. 1908. 1909. 1910. 1911. 
@wts:. :.. ..- 108,829 54,279 42,985 100,368 105,541 62.836 
Landings atc 7,294 6,196 7,121 6,707 7,869 6.605 
Average ane 14 9 6 15 13 10 
Catches made during the summer months were small and 
irregular, but those for Cornwall during May and June are of 
interest. 
Year. 1906. 1907, 1908. 1909. 1910. 1911. 
Gwits:, .. Sete 1,001 3,890 574 202 ql 318 
Landings ae 428 501 158 126 353 191 
Average uae 2-3 6:7 3:6 1:6 0-2 Moy, 
There was a new year-class of value added to the May and 
June shoals in 1907, and in 1909 and 1910 the same year-class 
increased considerably the catches from the winter shoals. 
Fortunately Hjort* examined a sample from St. Ives in 
December, 1909, and the age composition was as follows :— 
Year-class. 1907. 1906. 1905. 1904. 1908. 1962. 1901. 1900. 
Percentages acolo i4 29 24 16 5 2 1 
This enables us to refer the increased landings from the May 
and June shoals of 1907 to the 1904 year-class, and points to the 
summer feeding shoals of the Channel having much the same age 
composition as those of the North Sea 
The quantities landed from the winter shoals indicate that 
the 1904 year-class was six years old before it made its appear- 
ance in the winter fishery. The age composition of Hjort’s sample 
shows that the 1905 year-class joined the same shoals when five 
years old, and also points to this year-class being almost as rich 
as that of 1904. ‘The joining of spawning shoals by comparatively 
young fish will be referred to later. 
Nortu-west oF [RELAND.—This fishery is of peculiar interest 
for it yields no evidence of the 1904 year-class being of any 
importance. It is evident that a very rich year-class has influenced 
the fishery, and the data given below show how it made its appear- 
ance in the summer fishery of 1909 and added considerably to 
the catches for three years. 
* Pub. de Cire., No, 53, page 160. 
