188 



MAEGINELLID/E. 



Sistrum and of Cohimhella, to both of which genera they 

 have been refeiTed; they are small and pretty shells, 

 ornamented with coloured nodulous bands. 



Species of Engina. 



acuminata, Reeve. 

 alveolata, Kien. 

 armillata, Reeve. 

 astricta, Reeve. 

 bicatenata, Reeve. 

 carboiiaria, Reeve. 

 coucinua, Reeve. 

 contracta, Reeve. 

 crocostoma, Reeve. 

 deformis, Reeve. 

 echinata, Reeve. 

 eximia, Reeve. 

 ferruginosa, Reeve. 

 forticostata, Reeve. 



histrio, Reeve. 

 lauta, Reeve. 

 lineata, Reeve. 

 ocellata, Reeve. 

 parva, Reeve. 

 porphyrostoma, Reeve, 

 pulchra, Reeve. 

 pyrostoma, Sow. 

 recurva, Reeve. 

 rutila, Reeve. 

 trifasciata, Reeve. 

 turbiuella, Kien. 

 zonata, Reeve. 



Sub-gen. pusiostoma, Swainson. 



Shell ovate, with the inner lip convex between the granular 

 teeth; outer lip greatly thickened and toothed iu tlie middle. 



albinodosa, Gask. 

 chlorostoma, Soiv. 

 Duclosiana, Sou\ 



mendicaria, ham. 

 pisolina, Lam. 



Fam. MARGINELLID^. 



Teeth on lingual membrane broad and lunate, with 

 many conical, rather distant dentations, being very simi- 

 lar to those of Voluta. Tentacles close together at the 

 base ; eyes above the base, or near the middle of the 



