CONCHOLOGY.
PLATE XI.
TROCHUS IMPERIALIS
var α Roseus
PINK, OR ROSEATE, IMPERIAL SUN TROCHUS.
Univalve.
GENERIC CHARACTER.
Shell spiral, more or less conic: aperture sub angular, or rounded, the upper side transverse and contracted: pillar placed obliquely.
SPECIFIC CHARACTER
AND
SYNONYMS.
Shell conic, olive, covered with rows of arched violet scales: whorls inflated, with a spinous radiate margin: perforation funnel-shaped and white.
* Variety, pink or rose-coloured.
Trochus Imperialis: testa conica olivacea, squamis violaceis seriatis fornicatis tecta: anfractibus inflatis margine spinoso radiatis, umbilico infundibuliformi albo. Gmel. Linn. Syst. Nat. 3576. 63.—Var OLIVACEUS.
Trochus Imperator Chemn. T. 5. 173. 174.—Var OLIVACEUS α Pink Sun Trochus Lev. Mus.