66 NATURAL HISTORY OF THE SALMON. 



the river at the Linn of Campsie joined together, 

 as they must have been at one period, the Tay 

 would still enter the sea at this bay. It is also 

 singular that in this bay a number of the salmon 

 marked by the Duke of Athole have been caught; 

 and the fishermen acknowledge that the most of 

 the fish caught at this place are Tay salmon. 



By the end of the first week in June, as in 

 former years, about one-half of the fry in the 

 pond had left as smoults at the age of 13 or 14 

 months, and the other half still remained as parrs, 

 although, as on former occasions, there was no 

 obstruction to keep them from entering the river, 

 and going off with the smoults. This repetition 

 of the same phenomenon convinced every candid 

 observer that this process took place in the river 

 as well as in artificial rearing; but we shall see 

 afterwards that this anomaly will account for 

 much that was before considered dark in the 

 history of this fish. 



On the 13th of July, of this year, 1857, 

 there were taken at a fishing station near Mon- 

 trose 155 grilses, and one of these was a Stor- 

 montfield fish. The tacksman wrote to Mr 

 Buist, "that he had sent away a marked grilse 

 about 4 Ibs. weight. It had a small round 



