THE SALMON 



39 



a Tay Salmon of 5 5 -I- lbs., and in the Buckland 

 collection two of 69I and 70 lbs., both from the 

 Tay, are represented by casts. Salmon also run very 

 large in the Tweed and in many rivers in Ireland. 

 These large Salmon, especially if of the male sex, 



Fig. 7. — Tail of a large male Salmon 



are of a much less graceful build than the grilse ; 

 they are often very stout, with the caudal peduncle 

 short and deep, but still constricted posteriorly, and 

 the edge of the caudal fin convex ; they are especially 

 distinguished from large Sea-trout by the shorter 

 maxillary, by the number of scales and fin-rays, 



