PLATE XXXVIII. 
1. Turritella Elongata. (Lengthened Turritella.) Greatly elongated; spire with thirteen or fourteen lengthened volutions; suture well- 
defined ; with many stria and fine intermediate strife. 
2. T. Suturalis. (Broad-sutured Turritella.) Conical, smooth; with broad volutions, projecting at edge of suture, concave below sutural 
edges. 
3. T. Brevis. (Short Turritella.) Elongated ; spire with nine or ten volutions, with ten or twelve spiral, crenulated stria). Length, 1 in. 
4. T. Phillipsii. (Phillips's Turritella.) Subulate, smooth; spire, with seven narrow, ventricose volutions ; apex acute. 
5. T. Triserialis. (Three-notched Turritella.) Elongated; with many ventricose volutions, with well-marked suture; each volution, with 
three medial, one sutural, and one inferior, spiral, granulated stria;. 
6. T. Muricata. (Prickly Turritella.) Subulate; spire, with ten or eleven volutions ; apex acute; with strong, muricated, spiral Btriae ; and 
also with longitudinal ribs ; base convex, with elevated strife. Length, 1 in. 
7. T. Tseniata. (Worm-like Turritella.) Turreted, elongated,with convex volutions; with fiat, mesial band and wide, floxuous, spiral stria. 
8. T. Excavata. (Excavated Turritella.) Subulate, short, smooth ; body short; spire, with eleven or twelve volutions ; base convex. 
9. T. Cingenda. (Girdled Turritella.) Subulate ; spire, with fourteen volutions, each with crenated girdle ; the whole, with distinct, spiral 
strife ; base fiat, with rounded edge, whence the girdle emanates. 
10. T. Sulcata. (Furrowed Turritella.) Strong, elongated ; body short; spire long, with sixteen or seventeen volutions, with spiral stria ; 
separated by well-defined, concave sulcus. 
11. T. Tenuistria. (Thin-Striated Turritella.) Conical; volutions imbricated, flat-sided, broad, plain, with widish, spiral stria;, and oblique, 
distant, longitudinal stria. 
12. Rissoa Levis. (Smooth Rissoa.) Minute, oblong-oval, smooth, sub-cylindrical; spire, with five, fiat-sided volutions ; apex fairly acute; 
aperture oblique, narrow; outer lip broad ; pillar-lip reflected on base of columella. Length, | in. Diameter, fa in. 
13. T. Abbreviata. (Shortened Turritella.) Very short; conical, acute ; body large ; spire, with seven volutions ; base produced. 
14. 15. R, Duplicata. (Two-plaited Rissoa.) Minute, elongated, turreted: spire, with five volutions, and flat, spiral keel, winding along 
centre ; apex very sharp; with many, longitudinal, straight ribs, divided in middle by carina ; aperture large, oblique, oblong-oval; outer lip broad ; 
pillar-lip reflected on columella. Length, £ in. Diameter, fa in. 
16. T. Quadrivittata. (Four-handed Turritella.) Elongated; spire, with six, ventricose'volutions, crossed by many,strong, spiral strife ; apex 
acute; outer lip thin ; inner lip reflected on columella. 
17. T. Spiralis. (Spiral Turritella.) Conical; with imbricated, broad volutions; with spiral, equidistant stria), and oblique, longitudinal 
strife. 
18. T. Granulata. (Granulated Turritella.) Subulate ; spire, with about fourteen, inflated volutions; apex acute ; upper edges of volutions 
with broad, flat, spiral band ; with spiral stria ; and many, regular granules. 
19. 20. R. Obliquata. (Oblique Rissoa.) Minute, elongated, sub-turreted ; spire, with five, ventricose volutions ; apex blunted ; with many, 
oblique, longitudinal ribs, aperture small, narrow, oblique ; outer lip broad ; inner lip reflected on columella. Length, fa in.; diameter, in. 
21. T. Edita. (Produced Turritella.) Elongated; spire very long, with eighteen or nineteen volutions, with many stria); aperture circular; 
outer lip plain. 
22. T. Cingenda. (Girdled Turritella.) Variety. V. fig. 9. 
23. T. Conoidea. (Conical Turritella.) Elongated, taper, Bpire long, with sixteen or seventeen volutions, with angular, spiral groove; with 
regular, spiral stria?, all acutely crenulated ; aperture circular ; outer lip plain, simple. 
24. T. Costata. (Ribbed Turritella.) Subulate, elongated, acute ; spire, with fifteen or sixteen volutions, with thread-like, carinated, spiral 
ridge, separating volutions; with longitudinal cost©, crossed by many, fine stria?, base flat, with carinated margin. 
25. 26. R. Acuta. (Acute Rissoa.) Minute, elongated, turreted ; spire, with six, ventricose, turreted volutions ; apex acute; aperture large, 
oblique; outer lip expanded ; pillar-lip reflected on columella ; with longitudinal, prominent ribs, ten or twelve on each volution. Length, fa in.; 
diameter less than J in. 
27. T. Terebra. (TTimb/c 7'nrritella.) Turreted, elongated; body short; spire, with thirteen or fourteen volutions ; apex acute ; with many, 
equal, spiral sulci. 
28. T. Incrassata. (Thickened Turritella.) Strong, elongated ; spire, with about fourteen volutions ; apex acute; with three, smooth, Bpiral 
stria?; inner lip reflected on columella, behind which the base, with deep umbilicus, nearly concealed by reflection of columella lip. 
29. Phasianella Angulosa. (Cornered Phasianella.) Conical, smooth; body large; spire short, with five or six, augulated volutions; 
aperture circular; outer lip plain, sharp on edge. 
30. 37. Turbo Carinatus. (Keeled Turbo.) Conical, oblong-ovate; body large; spire, with five or six, deeply divided volutions; with many, 
strong, spiral, crenulated ridges; centre volution, with prominent, thick, spiral carina; aperture ovate. 
31. 33. T. Sulcatus. (Ridgecl Turbo.) Conical; spire, with four, inflated volutions; apex acute; with canaliculate, sutural line ; with strong, 
spiral grooves, crossed by minute, longitudinal stria; base, with small umbilicus, with recurved eximnsion; aperture circular; outer lip thin] 
serrated on margin ; inner lip reflected on columella. 
32. T. Tiara. (Tiara Turbo.) Short, conical, turban-shaped; volutions few, depressed, crowned by about twenty, large knobs ; spire, with six 
volutions ; apex flattened; base convex, umbilicated. 
34. P, Orbicularis. (Orbicular Phasianella.) Conical, acute, smooth ; body large ; spire small, with five ventricose volutions ; apex acute; 
with a few T longitudinal, oblique strife, and some spiral strife upon superior volutions; aperture orbicular. 
35, 36. P. Minuta. (Minute Phasianella.) Elongated, smooth; body large, ventricose; spire short, with four, inflated, squarish volutions ; 
apex acute; aperture oblong. 
38. p. Cincta. (Girdled Phasianella.) Conical, smooth ; body with broad, elevated, spiral girdle ; spire, with five, narrow volutions ; apex 
obtuse. 
39, 40. T. Rotundatus. (Rounded Tiirbo.) Ovate, sub-globose, smooth ; with a few, longitudinal, distant strife; body large, ventricose ; spire 
short, with five, inflated volutions; apex sharp; with narrow umbilicus; aperture large, sub-orbicular; outer lip plain; inner lip reflected on 
columella. 
41,42. T. Muricatus. (Prickly Turbo.) Short, sub-conic ; body large; spire, with four ventricose volutions; apex acute; body inflated; 
surface with many spiral, muricated ridges ; spineB short, semi-cylindrical, hollow ; outer lip plaited internally : inner lip reflected on columella*, 
with longitudinal indentation, or sub-umbilicus behind it. 
43, 44. T. Ornatus. (Embellished Turbo.) Conical, sub-turreted ; spire, with four or five volutions; apex obtuse ; with longitudinal stria ; 
each volution with three or four, strong, tuberculated, spiral ribs ; tubercles connected by narrow carina ; base, with three or four, concentric ridges ; 
with blunt tubercles ; aperture entire, orbicular. 
45, 40. T. ObtUSUS. (Obtuse Turbo.) Conical, short; spire, with three volutions; apex obtuse; base convex, solid; aperture sub-orbicular, 
oblique ; with many fine stria, and crossed by fine, longitudinal stria. 
47. T. Undulatus. (JFared Turbo.) Sub-conic; body large; spire email, with three or four inflated volutions; with spiral, undulating, 
strong stria, crossed by a few, indistinct, broken stria. 
48, 49. T. Moniliferus. (Collared Turbo.) Conical, short; spire, with five inflated volutions, with channelled suture; each volution with 
granulated fillet on superior margin; with many equidistant, prominent stria; with large, wrinkled umbilicus ; aperture orbicular. 
50, 51. T. ConidlS. (Conical Turbo.) Ovately-conical; body large, ventricose ; spire short, with four ventricose volutions; apex very acute; 
with many, fine, spiral stria ; crossed by slender 3tria ; with small, deep umbilicuB; aperture circular; outeT lip thin, even. 
52, 53. T. LasviffatUS. (Smooth Turbo.) Sub-conic, smooth; body large; spire small, with four, inflated volutions; apex acute; with 
indistinct, longitudinal stria. 
54,55. Littorina Baptonensis. (Barton Littorina.) Oblong-ovate, thick ; body large; spire small, with three, inflated volutions; apex 
obtuse ; with spiral, irregular strife ; aperture sub-ovate; outer lip even at edge, thickened within ; pillar lip reflected on columella. 
56. L. Communis. (Common Littorina.) Sub-ovate; body large; spire short, acute, with three or four, inflated volutions; apex acute; 
aperture sub-orbicular; with many, nodulous, regular stria. 
57, 58. L. RudiS. (Robust Littorina.) Sub-ovate; spire, with four, inflated volutions; with many, spiral, irregular stria ; crossed by longitu¬ 
dinal wrinkles. 
59. T. Funiculatus. (Rope-girdled Turbo.) Short, sub-conic ; body large; spire small, with few volutions; body, with six or seven, strong, 
transverse, rope-like ribB. 
60. T. Sulcostomus. (Snlcated Turbo.) Sub-conic; body large; spire small, with three, smooth, ventricose volutions ; apex obtuse; body, 
with three or four, sharp, spiral costa ; outer lip grooved internally. 
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