PACKING THE TROUT OVA. 



37 



and to continue as before, until each tray has received one layer 

 of ova (Figs. 10, 11). 



The trays are now all piled on the table at the operator's left 

 hand ; the attendant removes the empty frames, and the padded 

 tray is pushed forward into the position the full frames formerly 

 occupied. 



FIG. 10. 



FIG. 11. 



The operator half turns, and takes a tray from behind ; 

 this he reverses smartly on the table, and the moss bottom leaves 

 the tray, and lies on the table in the form of a compact square of 

 felt. He then places the empty tray on his right hand, while the 

 attendant lightly introduces the fingers below the pad. The 

 operator does the same on his side, care being taken that the moss 



