190 MARGINELLID^. 



Sj^ecies of Erato. 



angiostoma, Sow. laevis, Donov. 



gallinacea, Hinds. Maugeriae, Gray. 



guttula, Sow. scabriuscula, Gray. 



callosa, Adams and Reeve. sulcifera, Sow. 



columbella, Mke. vitulina, Hinds. 

 lacbryma, Sow. 



Genus MARGINELLA, Lamarck. 



Shell ovately oblong, smooth, polished; spire short or 

 concealed ; aperture elongated, truncated in front ; colu- 

 mella plicate; outer lip with a thick marginal varix. 



Syn. Porcellana, Adans., not Rumpli. or Klein. Dac- 

 tylus, Humph.., not Klein. Pterygia, Link. Phgenospira, 

 Hinds. Marginellarius, Dumeril. Marginellus, Montf. 



Ex. M. diadochus, Adams and Reeve, pi. 20, fig. 2. 

 Shell, M. glabella, LinncBus, fig. 2, a. 



The species are remarkable for the brilliancy and 

 variety of their markings ; they are very numerous along 

 the shores of Africa, where they inhabit the clear sands, 

 in somewhat shallow water; they glide along rapidly, and 

 when seen in full activity are objects of singular interest 

 and beauty. 



Species of Marginella. 



aurantia, Lam. nivosa, Hinds. 



fulmiuata, Kien. piperita, Hinds. 



glabella, Linn. Poucheti, Petit. 



guttata, Billw. pyrulata, Redf. 



irrorata, Mke. pyruui, Meusch. 



labiata, Valenc. Saulcyana, Petit. 



lineatolabrmn, Gask. spleiiclens, Sow. 



mosaica, Sow. uutlulata, Mart. 



