78 PISH CULTUEE. 



and the weather is usually cold when they are 

 transported. But this is not the case with greyling. 

 So rapid is the development, that, if the weather be 

 at all warm, and it often is in May, it is almost im- 

 possible, even with the assistance of ice, to send 

 them on a journey after the eye becomes visible, for 

 in a warm season there are hardly three days between 

 the showing of the eye and the hatching of the egg ; 

 and the mere act of taking them out of the water 

 will set the eggs hatching. 



