Fig. 38. — Scale of Sea-trout, illustrating period spent in the sea 

 after descent as a smolt and prior to return as a whilling. ( x 39.) 



The fish, a whitliiig, was caught in Loch Lomond on 4th September, 1914. 

 Weight, I4 lb. Length, 14^- in. Age, 82 years. The fish probably descended as 

 a smolt in late i\Iay, had spent June, July and August in salt water, 

 and returned early in September. 



Sec page 119. 



