THE SCALES OF SALMON 99 
Some “Wirep” Smorts RecaPtuRED AS GRILSE 
NUMBER OF LINES ON SCALE. 
Up to Smolt Stage After Smolt Stage 
Date. | Lb. - (River.) 2 (Sea). Remarks. 
Total. 1st 2nd | 3rd Total. 8rd | 4th 
Year.| Year. | Year. Year. | Year. 
June 1/235} 24 8} 14] 2 35 | 29 6 
» 26/44) 25 6] 15} 4 42] 31] 11 
» 28/48/ 28) 16] 12] -2 | 45] 32] 18|Parr lines 
doubtful. 
July 4/53] 23 12} 2 441 30] 14 
1905 (none marked between May 3 and 16). 
grilse were marked with wire when migrating as smolts be- 
9 
» 10/44] 23} 9] 11] 3 | 43] 30]-18 
» 14/52] 20 8] 12 43 | 29] 14 
» 14/7 | 24] of 12] 8 | 47] 32] 15 
» 16/64] 25] 7] 13] 5 | 48] 307 18 ie 
o 
Aug. 4/5 | 22] 7] 12] 3 | 47] 29] 18 eS 
Lo} 
» 14/32] 24] 10] 11] 3 | 45] 31] 14 | Exteriorridges| 23 
io} 
close. a 
» 14/64] 22} 8; 12] 2 | 47} 29] 18 q 
'] 
» 17/64} 26] 7] 14] 5 | 47] 28] 19 28 
ee 
» 17/9 | 22] 10} 9] 8 | 48} 381] 17 | Ridges broad. JZ” 
“From the marking we are sure that the fish in 
the above table were smolts in the spring of 1905, 
and that they returned to the river as grilse in the 
summer of 1906, weighing from 242 lb. in June to 
9 lb. and more in August. From the scales we learn 
that all the specimens were a little over two years 
old in the spring of 1905, when they were migrating 
as smolts; that all had spent one summer and one 
winter in the sea, and before returning had com- 
