400 
MOLLUSCA. 
Section II.—Phytiphaga. 
Without a projecting syphon, generally respiring by an ori¬ 
fice ; provided with jaws, and usually feed on vegetable sub¬ 
stances ; shell having the aperture entire, and destitute of a 
notch or canal. 
TRIBE I.-TURBIN ACE A. 
Shell turrited or conical, with an oblong or rounded aperture, 
not expanding, and the margin disunited. 
Genus 37.—TURRITELLA.— Lamarck. 
Generic Character. — Shell turrited, not pearly; aperture 
rounded, entire; margin disunited above; the outer lip with a 
slight sinus, and the aperture furnished with a horny operculum. 
Turritella terebra. — The Augur Turritella. 
Plate LXXXV. fig. 11. 
Greatly turrited, with acute, transverse striae; yellowish- 
brown ; apex usually reddish. Two inches long. Inhabits the 
European seas. 
Genus 38.—PHASIANELLA.— Lamarck. 
Generic Character. —Shell ovate or conical, solid; aperture 
entire, longitudinally ovate; the outer lip disunited above, 
sharp-edged, but not reflected; columella smooth, compressed, 
and attenuated at the base; aperture provided with a calcareous 
or horny operculum. 
Phasianella pullus. — The Childish Phasianella. 
Plate LXXXV. fig. 12. 
Smooth, glossy; volutions inflated; skin coloured with spots 
of crimson or rich reddish-brown. One quarter of an inch long. 
Inhabits the coast of Britain. 
Genus 39.—PL ANAXIS.— Lamarck. 
Generic Character. —Shell ovate or conic, solid; aperture 
ovate, or somewhat elongated; columella depressed and trun¬ 
cated at the base, separated from the outer lip by a compressed 
sinus; lip interiorly sulcated, having a callosity running under 
the superior portion. 
