CRUSTACEA. 



523 



large as ripe elderberries, and of 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 



