261 
point ; of five flattened whorls of which the upper three 
are smooth, the rest longitudinally marked with nume- 
rous fine ribs ; suture deep, aperture a fourth of the 
whole length : ovate, the peritreme ending about the 
middle of the inner side in a prominent plait running 
into the interior 0,04...0,13. Aberdeen. 
CinguiLa PuicHra Johnston in Edin Phil. J. 19. 
Conical, white, glossy, with two rows of oblong reddish 
brown spots on the whorls which are six in number, 
spirally striated, rounded and well defined : aperture 
roundish, narrowed above, with even margins and a 
slight perforation behind the pillar. ¢. Rare. 
C. (Rissoa) Muriatica Macg. Ab. p. 148.— 
Turso Utva@ Pen.—Cyctostoma Acutum Drap. t. 
1. f. 23.—Patupina M. Lam.—P. Acuta FI. p. 315. 
Oblong-turreted, rather thin, transparent, somewhat cor- 
neous, pale yellowish or greenish grey : spire elongated, 
tapering to a small but bluntish point : whorls six, 
slightly convex, obscurely striated lengthways ; the 
body whorl rounded, without an angle ; aperture ovate, 
acute behind, peristome thin, considerably reflected on 
the columellar side, leaving a slight fissure but con- 
cealing the umbilicus: 0,20...0,09. Aberdeen. 
