14 ASTACUS. LOBSTER. Class V. 



GENUS II. ASTACUS. LOBSTER, 



Body cylindric. 

 Antennae long. 

 Tail long. 



1. Gamma- Cancer. Lin. Syst. 1050. Gm. Herbst. Cane. ii. 42. t. 25. 

 RUS - Lin. 2985. /. 1. 



Astacus. Rondel. 538. 



L. With a smooth thorax ; short serrated 

 snout; very long antenna; and between them 

 two shorter, bifid ; claws and fangs, large, the 

 greater tuberculated, the lesser serrated on the 

 inner edge ; four pair of legs ; six joints in the 

 tail ; caudal fins rounded. 



Inhabits all the rocky shores of our island ; 

 but chiefly where there is a depth of water. In 

 Llyn, in Caernarvonshire, a certain small lob- 

 ster, nothing different except in size, burrows in 

 the sand. 



Brought in vast quantities from the Orkney 

 isles, and many parts of the eastern coast of 

 Scotland, to the London markets. Sixty or 

 seventy thousand are annually brought, in 



