160 
Meischer Ruesch, absence of food in 
Rhine fish, 110 
Migrations, peculiar, 79 
Migratory movements on coast, 50, 82 
Ness and Garry temperatures, 135 
Netting, importance of moderation in 
rivers, 76 
of salmon in sea, 77 
and reduction of stock, 17 
Noél Paton, fresh water origin of 
salmon, 44 
satiety of fish, 42 
and Dunlop, nutrition, 118 
Nutrition of salmon leaving sea, 43 
“PETER of the pools,” 2 
Parr, descent of on Pacific coast, 11 
descent of at Stormontfield, 2 
scales of Norwegian, 11 
of upper tidal water, varied size, 
21 
and smolts, feeding habits, 114° 
Patterson, J. Hume, salmon disease, 
107 
REARING of smolts, 4 
Rutter, on parr of Pacific coast, 11 
SALMON, small spring, 39 
probable marine origin, 44 
entering other rivers, 78 
return to their own rivers, 78 
marks now in use, 58 
marking, 56 
small spring, scales of, 40 
disease, 107 
record weight of Scottish, 106 
fishing by set lines in Baltic, 35 
Salmonide, majority marine, 44 
Saprolegnia feras, 107 
Scales, development of in fry, 95 
of salmon as records of life, 93 
of marked smolts and spring fish, 
100 
of marked smolts and grilse, 99 
lines of growth, 104 
INDEX 
Sea lice, life of in fish in rivers, 145 
trout smolts, 5 
Smolts, uniformity in nature, 18 
prevented from migrating, 7 
destruction of at river mouth, 21 
congregate in upper tidal waters, 
19 
two years in fresh water, 7, 17 
eggs from ripe females, 8 
or young grilse in sea, 25 
autumn migrations of, 22 
confined in sea ponds, 9 
food of in sea, 24 
habits in sea, 27 
marking in Tay, 29 
scales, lines of growth, 98 
Spawning seasons of salmon, 12 
habits of salmon, 14 
annual and biennial, 60 
mark on scales, 97 
infrequency of, 102, 105 
Spring fish, ascending habits of, 89 
spawning habits, 106 
Stormontfield experiments, 2 
Sutherlandshire rivers, temperature 
of, 129 
TABLES of salmon marking results, 
63 
Tay, records of marked salmon, 70 
Temperature of rivers, 123 
Thurso, temperatures in spring, 130 
Tosh and Grey, Tweed grilse, 42 
feeding of Tweed salmon, 113 
Tributaries, entrance of by salmon, 
139 
Trout, feeding in estuaries, 5 
in New Zealand, 6 
estuarial varieties, 6 
Tweed Commissioners, marking ex- 
periments, 57 
WATER temperatures, 125 
Weight, increase between spawning 
periods, 84 
Willis Bund, proportion of grilse in 
Tweed, 51 
Printed by BALLANTYNE & Co. LimITED 
Tavistock Street, London 
