MANUAL OF THE MOLLUSCA. 



Shell fusiform, spirally striated ; aperture with a rather long 

 canal ; columella plicated as in Fasciolaria ; operculum like 

 that of Chrysodomus. Lingual dentition, resembles that of the 

 Furptiridce, 1*1 -1. Ehachidian tooth, deeply arched, with 

 three denticles ; lateral teeth versatile, elongated, simple, hook- 

 shaped, base swollen. 



Buccestopsis, Jeffreys, 1859. 



Etymology, having the aspect of Buccinum. 



Synonym, Liomesus, Stimpson, 1865. 



Type, Buccinum Dalei, J. Sowerby, Britain. 



Shell oval, spirally striated ; epidermis filmy ; spire short, 

 obtuse ; outer lip smooth within ; canal short and open ; oper- 

 culum triangular; nucleus placed on the inner base of the 

 aperture. 



The lingual dentition makes an approach to Mangelia, and 

 consists of a single plain and slightly curved tooth on each side 

 of a thin non-denticulated plate. 



The egg cases of Buccinopsis are separate. 



Distribution, 3 species. German Ocean, North Atlantic, Spitz- 

 bergen, Behring's Straits. 



Fossil. B. Dalei occurs in the Eed, Antwerp, and Coralline 

 Crags. England, Belgium. 



Cheletropis is the fry of species belonging to the Muricidce. 

 Adamsia, Dunker, resembles a sculptured Cominella without 

 the sutural construction of the whorls. 2 species. Australia. 



Family III. — Bucctnhxe.* 



The enumerated genera are : — 



Btjcciktjm, Pseuloliva, Bttllia, Ebttrna, Phos, Nassa 

 (Cyllene, Northia, Oyclonassa), Columbella, Tbuncabia, and 

 Terebra (Myurella), Stjbula (Euryta). 



Tbuncaria, A. Adams and Eeeve, 1848. 



Synonym, Buccinopsis, Deshayes. 



Type, T. filosa (Buccinum). Adams and Eeeve. China. 

 Shell oval, oblong ; spire elongated ; apex acute, often chan- 

 nelled at the suture ; aperture oblong, dilated in front, angu- 

 lated, sometimes with a small canal behind ; outer lip simple or 

 bordered; columella concave, abruptly truncated, and snorter 

 than the right lip. 



* See p. 218, &c. 

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