PLATE CXLIV. 



NERITA NITIDA, 



GLCSST NERIT. 



GENERIC CHARACTER. 



Animal Umax. Shell univalve, spiral, gibbous, and rather flat 

 beneath : aperture semi-orbicular, or semi-lunar: pillar lip transverse 

 truncated and flatfish. 



SPECIFIC CHARACTER. 



Shell smooth, white, and glossy : spire rather pointed : umbilicus 



half closed. 



Nerita Nitida testa laevi nivea nitida : spira sub-mucronata urn- 

 bilico semi-clauso. 



Among the reserved shells intended by Da Costa for a second edi- 

 tion of his Conchology, we find two specimens of this species of 

 Nerita, with a MS. memorandum, importing that he had received 

 one of them from Mr. Church, and that the other was in his posses- 

 sion before. On this vague authority, we did not think it incumbent 

 to insert the shell in the present Work, especially since its' habitat was 



