36 



SALMONID^E. 



duce, taken from the Clyde above the Falls, is also exhi- 

 bited ; so that the young of the three species most common 

 to this locality (and of corresponding age), viz. Salmo salar, 

 Salmo trutta, and Salmo fario, may be carefully compared. 

 The ova of the Salmo eriox, which is less common in these 

 tributaries, I have not as yet had an opportunity of experi- 

 menting upon. 



" To resume my history of the so-called Parr. Having 

 brought the series of experiments on the ovum of the Salmon, 

 begun in January 1837, to a satisfactory conclusion, it may 

 be gratifying to those who have taken an interest in this 

 curious inquiry, to be put in possession of the results. I 



1. Young Salmon. 2. Young Sea Trout. 3. Young River Trout. 



