NCENIA RIM AP AIM ATA. 



475 



since been sent to us from Karnes Bay, C umbrae, by 

 Mr. Robertson, who informs us that he has repeatedly 

 found it to be the occupant of almost every Buccinum 

 shell inhabited by the hermit crab. He therefore 

 assumes, with some apparent justice, since he has never 

 found any other species of Amphipod so associated, that 

 the position must be one of choice, and not an acci- 

 dental occurrence. We may, therefore, consider that 

 Ncenia rimapalmata forms one of the " happy family," 

 spoken of by Mr. Gosse, Mr. Lubbock, and others, 

 and exhibited in the vignette below. It has also been 

 taken by Mr. Jeffreys and the Rev. A. M. Norman, in 

 from seventy to ninety fathoms of water, sixty miles east 

 of the Shetlands. 



