TURBO. TURBAN ■ 209 
eight or nine, rounded and deeply divided, rather obtuse 
at the point, crossed by from fifteen to twenty extremely 
delicate thin raised ribs or foliations, which nvo close-set 
and run down the whole length of the shell m rather ob¬ 
lique direction: aperture a little inclining to oval, and 
slightly margined : length half an inch ; breadth hardly 
the eighth of an inch. 
Western coasts, Dublin bay, and Scotland, v. m. 
3S. Turbo elegantissimus. Splendid Turban . 
Montagu, pi. 10. f. 2— Walker , f. 39. 179 A- 1 * 
Shell very slender and tapering to a fine point, white, 
semitransparent, sometimes covered with a brown skin : 
spires from nine to thirteerf, flat but well defined, with equi¬ 
distant Battish oblique ribs running the whole length of the 
shell, and which are broaderthan the spaces between them: 
aperture nearly orbicular, a little angular at the upper and 
lower ends'; the inner-lip a little reflected, but without per¬ 
foration : length about a quarter of an inch ; breadth not a 
fourth of its length. 
Western coasts, and Dublin bay. v . v. 
39. Turbo simillimus. Similar Turban. 
Laskey, JVern. Sac . i. pi. 8. f. 15. 
Shell slender, white, pointed: spirea eight or nine, 
hardly raised, with fourteen ribs or elevated strife, which 
run in a straight direction along the shell, and are not 
broader than the spaces between them; these ribs are 
slightly arched, and apart of the larger volution is smooth 1 
aperture somewhat oval: length three-eighths of ap inch; 
breadth not an eighth. 
On the shores of Jura : very rare. 
40. Turbo unicus, Pointed Turban x 
Montagu, pi. 12. f. 2— Walker, f. 40, 
Shell slender, finely pointed, transparent, glossy-white 2 
spires nine, rounded and well defined by the separating 
line, with numerous fine nearly straight longitudinal ridges* 
which are slightly undulated, and the spaces between them 
crossed with minute transverse strife, which are hardly 
discernible unless much magnified : aperture somewhat 
T 3 ‘ orbicqlarj 
