120 CONCHOLOGY. 
Tornatella fasciata. Tornatella nitidula. 
T. solidula. T. pedipes. 
T. auricula. T. flammea. 
2. Genus Pyramidella. Pl. XI. 
Animal. As preceding genus. 
Shell. Smooth and turreted, without epidermis; elongated, 
conical, or subturriculated; aperture entire, demioval; the outer 
lip sharp and dentated within, columella produced, subperforate 
at the base, furnished with transverse plaits. Inhabits the Ame- 
rican and W. Indian seas. Six species. 
Pyramidella terrebellum. 
Pyramidella maculosa.* Pyramidella plicata.* 
P. dolabrata.* P. ventricosa.* 
P. corrugata.* 
FAMILY XV. 
Scatarmna. Three genera. 
1. Genus Scalaria, Pl. XI. 
Animal. Spiral; foot short, oval, and inserted beneath the 
neck ; two tentacula terminated by a filament, and having the 
eyes at the extremity of the dilated portion ; a proboscis. 
Shell. Marine, aperture circular, spire more or less pressed 
and furnished with longitudinal ribs, formed by the preservation 
of the reflected margin of the aperture ; edges united, thickened, 
and outwardly reflected ; operculum horny and thin.  Inhabits 
the American and Indian seas. Fourteen living species, and 
three fossil. 
Scalaria coronata. Scalaria varicosa. 
S. communis. S. raricosta. 
S. Australis. S. lamellosa. 
S. tenebralis. S. pretiosa. 
S. Martinii.* S. Novanglia. * 
