Kisru day.] HEREDITARY INSTINCT. 225 



habits, — the wild young ones instantly fly from man, 

 the tame ones are indifferent to his presence. 



POIET. — No one can be less disposed than I am 

 to limit the powers of living nature, or to doubt 

 the capabilities of organised structures ; but it 

 does appear to me quite a dream, to suppose that a 

 fish, pricked by the hook of the artificial fly, 

 should transmit a dread of it to its offspring, though 

 he does not even long retain the memory of it 

 himself. 



HAL. — There are instances quite as extraordinary ; 

 — but I will not dwell upon them, as I am not quite 

 sure of the fact which we are discussing ; I have made 

 a guess only, and we must observe more minutely to 

 establish it ; it may be even as you suppose — a mere 

 dream. 



POIET. — I shall go and look at the fall : I am 

 really satiated with sport ; this is the twentieth fish I 

 have taken in an hour, and it is a graybng of at least 

 seventeen inches long ; and there is a trout of eighteen, 

 and several salmon trout, which look as if they had 

 run from the sea. 



HAL. — These salmon trout have run from a sea, 

 but not from a salt sea : thev are fish of the Traun 

 See, as it is called by the Germans, or Traun Lake, 

 h Inch is emptied by this river. 



PHYS. — Tell us why they are so different from the 



