J*3r. 
TURBO. TURBAN . 2i9 
wk* slightly adhering to but not clasping the body volu¬ 
tion, the maigin not very thin : diameter the tenth of an 
Western coasts : and in Dublin bay we have found them 
double the size. v. m. 
92. Turbo Margarita. Pearl Turban, 
Helix Margarita. Laskey y Worn. Soc. i. pi. 8. f. 5. 
Shell flattish, rather produced at top, white or with a 
slight tinge of bronze, with a hunt rufous brown band on 
the upper part of the body volution, which follows the 
course of the next, hut is lost in the third : spires four or 
five, convex beneath, with a large and deep perforation : 
tperture somewhat orbicular, a little crescent-shaped, finely 
r.acred on the inside : diameter hardly a line. 
Found by Captain Laskey, on the Scotch coast: very rare. 
K. Indistinct and uncertain species , 93 to 105. 
93. Turbo retiformis. Walker , f. 37. 
Shell white, opake, with four white opake reticulate 
ipires: aperture rather oval. 
At Sandwich: minute. 
91. Turbo fuscus. Walker, f. 42. 
Shell brown, opake, with, five striate spires: aperture 
somewhat oval. 
Bysing wood, near Faversham : minute. 
95. Turbo strigatus. Walker, f. 33. 
Shell white, opake, with three spires, and three transverse 
ridges on the larger volution : aperture somewhat oval. 
At Seasalter: minute. 
96. Turbo Carinatulus. Walker, f. 44. 
Shell taper, carinate, white, opake, with seven spires : 
aperture contracted, margined. 
At Sandwich: minute. 
?/. Turbo Rivulus. Walker, f. 57* 
Shell white, opake, with four spires : aperture oval, mar- 
From a stream near Faversham : minute. 
x 
98. Turbo 
