NATURAL HISTORY OF THE SALMON. 



missioners of Fisheries in Ireland to take from 

 the ponds a portion of the fish propagated in 

 the way he had mentioned, and immerse them 

 annually in the sea for a period of three months, 

 and to be again deposited in the ponds for other 

 nine months, to be repeated for several years. 

 The Commissioners had taken about a dozen of 

 these young salmon from the ponds, and had had 

 them many weeks in the Dublin Exhibition, 

 where they were kept in a model of a weir, with 

 a salmon ladder in it, the model being supplied 

 by a pipe with a constant run of water. These 

 little creatures showed their agility by mounting 

 the ladder, and so passing over the weir, to the 

 amusement of the bystanders. He was in- 

 formed they were alive, thriving and perfectly 

 healthy in this small run of pure water; they 

 were fed on chopped meat every day. It was 

 only in this way a more accurate history of the 

 ages and habits of the salmon species might be 

 written. The expense of this plan of artificial 

 propagation he did not estimate to exceed a pound 

 a thousand, which was at the rate of one farthing 

 for each salmon. 



At the conclusion of Mr Ashworth's lucid re- 

 marks, Sir Patrick M. JThriepland moved that 



