212 



INDEX 



Bull Trout, sea-trout, flesh, 63, 175 



Regan, 38, 62, 207 



scales, 42, 64-66, 207 



tail, 41, 42, 63 



Walton, 41 



Yarrell, 56, 62 

 size, 64 ' 



species discussed, 38-43, 61-67 

 statutory definition, 9, 67 (note), 206 

 tail, 41, 42, 63 

 Tweed fish, 63, 148 

 weight, 49 

 Bull Trout oj the Tay and of Tweed, The, 



W. L. Calderwood, 40 (note) 



Calderwood, W. 1,-, " bull trout or round 

 tail," 40, 40 (note), 207 

 " common brown trout " in Tay estuaiy, 



25, 27, 34 

 New Zealand trout, 24 

 parr, juvenile appearance, in 



shoal habit, 106 

 Salino eriox " variety " of S. trutta, 40, 



207 

 salmon, divided run, 123, 124 

 Salmonidcp, original habitat, 31, 32 

 Scottish Fishery Board reports, 11 



155 (note) 

 sea-trout, caught at sea, 152 (note) 

 decrease, 43 

 netted in Echaig, 147 

 smolts, estuarial habits, 114, 115 

 " Tay bull trout," 50 

 whitling migration, 123 

 Caudal fin, 42, 53, 54 

 Char, anadromous, 29 

 Chaytor, A. H., spawning salmon, 161 



vigour of parr, 96 

 Cholmondeley-Pennell, H., Salmonidcr, 

 classification, 18 

 salmon and sea-trout, distinction, 56 

 trout, deformity, 78 

 trout and sea-trout, colouration, 33 

 Chondrostei, sub-class, 18 

 Classification, fishes, 12 

 SalmonidcF, Cholmondeley-Pennell, 18 

 Regan, 18, 19 

 suggested, 42, 206-208 

 Close seasons, for sea-trout criticised, 155 

 Common ancestor, of Sahtionidw, 32, 207 

 Compleat Angler, The. Izaak Walton, 36, 41 

 Coregonus, genus, ig 

 " Corrigeen," decrease of sea-trout, 43 



Cross-breeding, artificial, 23, 164 

 Darwin, 36 

 Day, 15 

 natural, 163 

 Walton, 36 



D 



Dahl, Knut, Salmonidce , growth of, 92 



smolts, estuarial habits, 114 

 migration, 105 

 scale evidence, tabulated, no 



trout, rapid development, 112 

 Darwin, Charles, cross-breeding, 36 

 Day, Dr. Francis, bull trout, 40, 49 (note) 



Howietoun experiments, 22 



Salmonidce, original habitat, 32 



teeth, 60 



trout, varieties, 15, 42 

 Days and Nights of Salmon Fishing in the 



Tweed, William Scrope, loi 

 Deformities, trout, 42 



sea-trout, 77, 78, 197 

 District Fishery Boards in vScotland, annual 

 reports defective, 154, 155 



data desirable, 155 (note) 



sea-trout returns, 10 

 Dorsal fin, 50, 53, 54, 95 



E 



Eggs, 71-76, 78-80, 130, 162, 179-200 

 salmon, 71-74, 76, 192, 194 

 sea-trout, artificial propagation (qv.), 

 179-200 

 colour, 71, 72, 195 

 development, 74, 75, 194 



tabulated, 80 

 distinctions, salmon, sea-trout, and 



trout, tabulated, 76 

 " eyed ova," 74, 194 

 mortality, hatchery, 195, 196 

 natural, 79 

 trout (Armistead), 198 

 number, 72-74, 192 

 shape, 72 

 size, 71 

 weight, 162 

 whitling, 130 

 trout, 71, 7^, 74-76, 78, 79, 192, 194, 198 

 Einyclopwdia Britannica, Art. Ichthyology, 



Estuarine trout, 24-27 

 " Eyed ova," 74^ 194 



