160 THE TROUT 



handle which can be grasped when necessary without 

 wetting the operator's fingers. 



Speaking of the deep-tray system, Livingston 

 Stone says, 'The whole thing is so simple that 

 nothing simpler that answers the purpose can be con- 

 ceived. There is no complication of parts. There is 

 nothing, in fact, to look after or move but the basket 

 itself.' And he adds, f one form or other of the tray 

 system is undoubtedly destined to entirely supersede 

 the old methods of hatching on glass grilles.' J 



I should not myself venture to go quite so far as 

 this, in anticipating what destiny or human invention 

 may have in store for the fish-culturist of the future. 

 In uttering the prediction I have quoted, Stone seems 

 to have assumed that the American plan of pouring 

 into a tray gallons of eggs until they were piled 

 up ' 12 or 15 tiers deep' would, without doubt, be 

 adopted universally. 



At present, however, the pisciculturists of this 

 country have not taken kindly to the American 

 system, although we are assured, on the authority of 

 Stone himself, that the ova c suffer no injury whatever 

 from being so piled up ; one explanation of this being 

 that the water all the time forcing its way up through 

 the eggs, loosens them so that they do not feel the 

 1 The Domesticated Trout^ by Livingston Stone. 



