MANUAL OF THE MOLLUSCA. 
Shell fusiform, spirally striated ; aperture with a rather long 
canal ;. columella plicated as in Fasciolaria; operculum lke 
that of Chrysodomus. Lingual dentition, resembles that of the 
Purpuride, 1:1:1.  Rbhachidian tooth, deeply arched, with 
three denticles; lateral teeth versatile, elongated, simple, hook- 
shaped, base swollen. 
Buccrvopsis, 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 piate. 
The egg cases of Buccinopsis are separate. 
Distribution, 8 species. German Ocean, North Atlantic, Spitz- 
bergen, Behring’s Straits. 
Fossil. B. Dalei occurs in the Red, Antwerp, and Coralline 
Crags. England, Belgium. 
Cheletropis is the fry of species belonging to the Muricide. 
Adamsia, Dunker, resembles a sculptured Cominella without 
the sutural construction of the whorls. 2 species. Australia. 
Famity IIl.—Buccrinipz.* 
The enumerated genera are :— 
Bucctnum, PsEuDoLIVA, BuiiiA, EBuRNA, PHos, NAsSsA 
(Oyllene, Northia, Cyclonassa), COLUMBELLA, TRUNCARIA, and 
TEREBRA (Myurella), SUBULA (Euryta). 
TRuNCARIA, A. Adams and Reeve, 1848. 
Synonym, Buccinopsis, Deshayes. 
Type, T. filosa (Buccinum). Adams and Reeve. 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 shorter 
than the right lip. 
* See p. 218, &e. 
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