ENGINA. 187 



shells, but with an animal resembling that of Coliimbella ; 

 some of the species have been referred to Nassa; the 

 A. corniculu?n is the Buccinum fasciolatum of Lamarck. 



Species of A^nycla. 



conspersa, Phil. Pfeifferi, Phil. 



corniculum, Oliv. punctata, Kien. 



dermestoidea, Lam. tseniata, Adams and Reeve. 

 Haldemanni, Dkr. 



Sub-gen. astyris, H. and A. Adams. 



Shell ovately fusiform, thin ; spire acuminate, whorls smooth 

 or transversely striated ; aperture oval ; inner lip simple, not cal- 

 lous; outer lip thin, sinuated posteriorly, lirate internally. 



avara, Say. pulchella, Blainv. 



avena, Phil. rosacea, Goidd. 



clausiHformis, Kien. sagitta, Gask. 



dissimilis, Stimp. secaliua, Phil. 



Gouldiana, A(jass. tenuis, Gask. 



lactea, Sow. Turnbullii, Linsl. 



limata. Say. iinifascialis, Lain. 



marquesa, Gask. valga, Gould. 



nux, Reeve. Veatleyi, Dekay. 



Genus ENGINA, Gray. 



Shell ovate-conic ; spii'e acuminate, whorls with trans- 

 verse nodulous bands or ribs; aperture linear, concave, 

 with several broad oblique plaits in front ; outer lip 

 thickened, internally toothed, gibbous and grooved pos- 

 teriorly. 



Ex. E. pyrostoma, Sowerhy, pi. 19, fig. 11. 



The shells of this genus partake of the character of 



