CRUSTACEA. 523 
large as ripe elderberries, and ot a dark-brown colour. There does 
not seem to be any particular season for the laying of the eggs, as 
Fig. 346.—Nephrops norvegicus. 
females are found in berry at all seasons, but more commonly in 
winter. In this state they are found to be much exhausted, and by 
no means fit for the table. 
The generic name Astacus (Fabricius), is now confined to the 
