The Salmon fe 
fish as an example because it is impossible that it could have spawned. 
Others stayed a longer period before returning. <A kelt of 8 lbs., 
which was marked on 17th January 
1902, was 20 lbs. 3 oz. when caught 
assay clean fishy.om- 1th) Aviouse 
1903; while another of 3 Ibs. on 
31st January 1906 was 11 Ibs. on 
27th April 1907. Kelts marked on 
other rivers give much the same 
result, showing clearly that they re- 
main longer than a year in the sea, 
thus continuing the same habits as 
they had after going down as 
smolts. Their growth is remark- 
able, for although marked as kelts 
in January, they may not have 
entered the sea wil Aprile’ Dhe 
6-lb. one has increased to 18 lbs.: 
and another of 6 lbs. caught on 
20th August of the same year, 
which has become 14? Ibs., may not 
have been in the sea more than 
four months. ‘This increase is not 
so remarkable, however, as that of 
the small smolt going down, weigh- 
INST TitO, 2:0z,010- April or May 
1905, and returning on 9th August 
LOO7,.27, 1bsq impweiohtiot Whis) 7 
consider the greatest increase that 
is known of any marked fish of the 
salmon kind. ‘Those running after 
July are larger—from 12 to 20 lbs. 
—and all spawn and become kelts. 
The Don, 11th February 1900. 
-Ib. Kelt Autumn Salmon, immediately after spawning. 
12 
-Female 
4l. 
Fic, 

Many of them die after spawning. 
The following are particulars of some of these marked kelts (Fig. 41):— 
