ILLUSTRATIONS 



FIG. PAGE 



1. Alevins ...... . . i 



2. Parr, life size, one year old. 1st April 1903 . . . . .2 



3. Salmon Parr, life size. River Dochart, September 1906 . . .3 



4. Life-size Parr, one year old. Parr, two years old. Smolt, two years. April 1905 4 



5. Real Smolts, life size, with their silvery coat complete, on their way to the sea. 



ist May 1905 ........ 5 



6. Life-size Smolt. ist May 1905 . . . . . .6 



7. Smolts, life size, with the scales taken off, showing the parr bands and spots of 



the parr. ist May 1905 ....... 7 



8. Smolts confined until 6th June, with the silver scales taken off, showing the 



parr bands below ........ 8 



9. Life-size Parr and Trout, showing the difference between the two . . 9 



10. Loch Leven Trout and Salmon Smolt, both with their silvery coat. June 1906 . 10 



11. Stormontfield Ponds on the Tay, erected 1852 . . . . .15 



12. Smolt, showing how ring is fastened in dorsal fin . . . .16 



13. Real Smolts, life size, two years old. Same as marked 1st May 1905 . .17 



14. First Marked Grilse. Marked as Smolt May 1905. Caught ist June 1906. 



Weight 2 Ibs. 1 5 oz. . . . . . . .18 



15. Mark of first Grilse, ist June 1906 . . . . . .18 



1 6. Male Grilse, 4^ Ibs., caught 26th June 1906. Marked as Smolt May 1905 . 19 



17. Female Grilse, 5! Ibs. Caught 4th July 1906. Marked as Smolt May 1905 . 20 



18. Male Grilse, 5 Ibs. Tay, 1 5th July 1907 . . . . .21 



19. Marked Grilse, 3^ Ibs., 3rd July 1906. Smolt marked May 1905 . . 22 



20. Female Grilse, 9 Ibs. The Tay, ist August 1906 . . . .23 



21. Male Grilse, 14 Ibs. The Tay, 2oth August 1902 . . .24 



22. Male Grilse, 10 Ibs. The Tay, loth August 1906 . . . .26 



23. Tay Salmon, 9^ Ibs. Marked as Smolt May 1905, caught iSth February 1907. 



First return from the sea . . . . . . .27 



24. Small Spring fish, 8| Ibs. 6th April 1907 ... .28 



25. Small Spring fish, 13 Ibs. 3oth April 1907 . . . . .30 



xi 



