SALMONIA. 



from the same original type: it is only neces- 

 sary to compare them, when hatched toge- 

 ther under a hen, to be convinced of the 

 principle of the hereditary transmission of 

 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 organized struc- 

 tures; 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 ex- 

 traordinary 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 esta- 

 blish 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 



