Phasianella. 
MOLLUSCA. 
71 
Shell conical; volutions imbricated, flat-sided, broad, plane, 
angular below, and furnished with rather wide spiral striae, and 
oblique, distant, longitudinal stria?. 
Found in the Mountain Limestone of Yorkshire. 
17. T. spiralis. —The Spiral Turritella, pi. XXXVIII. 
fig. 17. 
Turritella spiralis . Phillips, Geo. of Yorkshire, II. p. 229, 
pi. 16, fig. 5. 
Obliquely conical; with imbricated, broad volutions, their 
lower edges projecting over the suture; whole surface covered 
with spiral, wide, equidistant striae, and oblique, longitudinal 
stria?, producing a fine reticulated appearance. 
Found in the Mountain Limestone of Yorkshire. 
18. T. suturalis. — The Broad-sutured Turritella, pi. 
XXXVIII. fig. 2. 
Turritella suturalis. Phillips, Geo. of Yorkshire, II. p. 
229, pi. 16, fig. 6. 
Shell conical, smooth; with broad volutions, which are pro¬ 
jecting at the edges of the suture, and concave below their 
sutural edges. 
Phillips mentions one specimen with the sutural and lower edges 
of a milk-white colour. 
bound in the Mountain Limestone at Bolland and Kirby 
Lonsdale. 
19. T. triserialis. —The Three-notched Turritella, pi. 
XXXVIII. fig. 5. 
Turritella triserialis . Phillips, Geo. of Yorkshire, II. p. 
229, pi. 16, fig. 25. 
Shell elongated; with numerous ventricose volutions, deeply 
divided by the sutural line, each furnished with three medial, 
one sutural, and one inferior spiral granulated stria?. 
Found in the Mountain Limestone, Olturburn, Northum¬ 
berland. 
20. T. T/ENiATA. — The Worm-like Turritella, pi. 
XXXVIII. fig. 7. 
Turritella tamiala. Phillips, Geo. of Yorkshire, II. p. 229, 
pi. 16, fig. 7. 
Shell turreted, elongated; with broad convex volutions; pro¬ 
vided with a flat mesial band, and wide fiexuous spiral stria?. 
Found in the Mountain Limestone of Yorkshire. 
21. T. acicula. —The Sharp Turritella, 
Turritella acicula . Phillips, Geo. of Yorkshire, II. p. 229. 
“Very elongate; volutions with three medial spiral, granu¬ 
lated lines, the upper one set on an angle.” 
bound in the Mountain Limestone, Otterburn, Northum¬ 
berland. 
22. T. Ur 11 .—Ure’s Turritella, pi. XXXVII,* fig. 4. 
Turritella Urii. Fleming, Brit. An. p. 305. Ure’s History 
of Rutherglen, p. 308, pi. 14, fig. 7. 
“ Elongated, striated transversely.” 
Found in the Limestone of the Coal formation, at Ruther¬ 
glen, Renfrewshire. 
23. I. elongata. — The Elongated Turritella, pi. 
XXXVII. fig. 5. 
Turritella elongata. Fleming, Brit. An. p. 305. Ure’s 
History of Rutherglen, p. 308, pi. 14, fig. 11. 
“ Elongated, striated spirally.” 
bound in the Limestone of the Coal formation, Rutherglen, 
Renfrewshire. 
Genus XXX,—PHASIANELLA.— Lamarck. 
Shell oblong, smooth; spire regular, somewhat acu¬ 
minated; volutions rather ventricose, but the suture not 
well defined; aperture oblong, entire, contracted and 
acutely angulated at its upper part, and rounded at its 
base; outer lip not continuous with the pillar lip above; 
inner lip white and thickened, especially at the base of 
the columella; operculum testaceous, thick, spiral, exter¬ 
nally convex, with its spire in the inner side, to which 
the loot of the animal is adherent. 
1. P. angulosa. — The Cornered Phasianella, pi. 
XXXVIII. fig. 34. 
Phasianella angulosa. Sowerby, Min. Conch. II. p. 168, 
pi. 175, fig. 2. Fleming, Brit. An. p. 302. 
Shell conical, smooth; body large; spire short, abruptly 
tapering, and consisting of five or six slightly raised and some¬ 
what angulated, or subcarinated, volutions; aperture nearly 
circular; outer lip plain, and rather sharp on the edge. 
Found in the Limestone at Shalcomb, Isle of Wight. 
2. P. orbicularis. — The Orbicular Phasianella, pi. 
XXXVUI. fig. 29. 
Phasianella orbicularis. Sowerby, Min. Conch. II. p. 167, 
pi. 175, fig. 1. Fleming, Brit. An. p. 302. 
Shell conical, acute, smooth ; body large; spire small, con¬ 
sisting of five rather ventricose volutions, terminating in an 
acute apex, and exhibiting a few longitudinal, somewhat oblique 
lines of growth, and some spiral stria? upon the superior volu¬ 
tions ; aperture nearly orbicular. 
Found in the Fresh Water Limestone at Shalcomb, Isle of 
Wight. 
3. P. minuta. —The Minute Phasianella, pi. XXXVIII. 
fig. 35, 36. 
Phasianella minuta. Sowerby, Min. Conch. II. p. 168, pi. 
175, fig. 3. Fleming, Brit. An. p. 302. 
Shell elongated, smooth; body large, ventricose; spire short, 
consisting of four rather inflated, somewhat squared, and deeply 
divided volutions, a little flattened above, terminating in an 
acute apex ; aperture oblong. 
Found in the Fresh Water Limestone, Isle of Wight. 
4. P. cincta. —The Girdled Phasianella, pi. XXXVIII. 
fig. 38. 
Phasianella cincta. Phillips, Geo. of Yorkshire, I. p. 123, 
pi. 9, fig. 29. 
Shell conical, smooth; body somewhat longer than the spire, 
and provided with a broad, elevated spiral girdle, situate towards 
the base of the body; spire consisting of five narrow, slightly 
inflated volutions, terminating in an obtuse apex. 
Found in the Grey Limestone, or Cave Oolite, at Cloughton 
and Brandsby, Yorkshire. 
5. P. rusiLLA _The Slender Phasianella, pi. XXXVII.' 
fig. 6. 
Phasianella pusilla. Sowerby, Geo. Trans. IV. 2nd series, 
p. 343, pi. 18, fig. 13. 
Shell elliptical, smooth; body large, being more than double 
the length of the spire, which consists of four nearly flat, gra¬ 
dually tapering volutions, terminating in a somewhat obtuse 
