70 FISH CULTURE. 



to the wriggling tenants of yonr trays, and after 

 another day or two but a sparse few lazy fellows, 

 indisposed to tempt their fate too early, remain to 

 come forth. Eemove them to some spare corner of 

 an empty tray, that they may hatch at their leisure. 

 If you can remove the hatched fish to another tray 

 also, do so, that you may clear your lying-in hospital 

 of the useless egg shells that now thickly strew the 

 gravel. Little now needs to be done with the fish. 



1. Egg with eye of embryo visible. 



2. Young salmon just hatched. 



3. Salmon having absorbed the vesicle. 



4. Salmon three or four months old. 



They will burrow under the gravel, getting out of 

 sight, and out of the light, which suits them not, 1 

 as much as possible, gradually absorbing the large 

 bladder which attaches to them, the contents of 

 which afford their sole subsistence. In about six 

 weeks, as they grow larger, you will have to remove 



1 A slight awning over them as a shade is desirable. 



