136 



50 B. The Young Sea Trout or Salmon Trout (Salmo trutta, Linn.). 



Fig. Penn. Brit. Zool. vol. iii. p. 397. Yarrell, Hist, of Brit. Fishes, 



vol. ii. p. 36. 



Hob. Seas and rivers of Europe. 

 This specimen is about four months old, and was caught May 1840. 



Purchased at Mr. Yarrell's Sale. 



50 C. The Young Sea Trout (Salmo trutta, Linn.). 



This specimen is 147 days old, and was taken on the 2nd of July, 1839. It 

 had been produced by artificial impregnation, and the parents retained. 



Purchased at Mr. Yarrell's Sale. 



50 D. The Young Sea Trout (Salmo trutta, Linn.). 



At six months old this one was taken, July 1840, and also produced by 

 artificial impregnation. The parents were shot in the act of spawning, 

 and afterwards spawned by the hand. Purchased at Mr. Yarrell's Sale. 



50 E. The Common or River Trout (Salmofario, Linn.). 



From the River Clyde. Purchased at Mr. Yarrell's Sale. 



50 F. A Young Trout (Salmo fario, Linn.). 



Caught in the River Chess, by Mr. Elliott, on the 28th of May, 1844. 



Purchased at Mr. Yarrell's Sale. 



50 G. Two specimens of Young River Trout. 



On both the markings are well shown, more especially on the smaller 

 sized one. Purchased at Mr. Yarrell's Sale. 



50 H. Young Parr (Salmo salmulus, Will.). 



Fig. Yarrell, Hist, of Brit. Fishes, vol. ii. p. 45. 

 These were taken from the River Nith, 2nd July, 1839. 



Purchased at Mr. Yarrell's Sale. 



50 I. A Hybrid, produced between the male Grilse (Salmo Salar, 



Linn.) and a female Salmon Trout (Salmo trutta, Linn.). 

 The specimen is said to be about six months old, and was taken out of the 

 water on the 8th of August, 1841. Purchased at Mr. Yarrell's Sale. 



