54 



Giiidc to Crustacea. 



Table-case to tlie pi'ecedinjj,, und the male has sexual appenclat;es 

 No- 10. alxlomen. 



th 



The common Lohstei" of Europe, Iloiiiaiits (jaiumariis, is repre- 

 sented on the American coasts of the North Atlantic hy a closely 

 allied species, H. anicricaiius.. A third species, H. cajwiisiH, is 



Fi(;.3J. 



The "Norway Lobster," NcpJimps iiorvciiiciis, about one-tbird natural size. 

 [Table-case No. lO.J 



foiuid at the Cape of Good Hope, hut it is of small size and of no 

 economic importance. A series of specimens and dra\Yings in 

 Wall-cases Nos. 1 to 3, illustrating the structure and life-history 

 of the Common Lobster, have already been described. The 

 " Norway Lobster," Nephrops norvcgicns (Fig. 34), is found 

 abundantly in certain localities in deeper water than that frequented 

 by the Common Lobster. It is generally sold in London shops 



