128 
When the plaice hatches from the egg it is unable to 
feed, and for about a fortnight it obtains its nutriment from 
the food-yolk contained in the yolk-sac which is attached 
to its belly. 
Magnified 14 dia. 
After about a fortnight the young plaice begins to 
feed. The yolk has then been used up. The food of the 
little fish is at first diatoms and then copepods. Afterwards 
it begins to feed on small shellfish 
little cockles, &e., and 
then as it becomes older it feeds on larger animals such as 
bd 
“hen-pens.’ 
TentH Day. 
The work of this day will be a general review of what 
has been done during the fortnight. 
