229 
the partitions of the chambers raised on all sides; sy- 
phon produced nearly in a line with the back. Rare, 
Sandwich and Sheppy. 
S. CaARINATULA. F. p. 277.—Navtitus. C. Walk. 
f. 72.— Adams. t. 14. f. 37.—Mont. p. 195.—Turt. 
D. p. 120. Whitish, transparent like glass, oblong, 
arched at the back, scarcely, if atall raised into a keel 
like ridge ; joints seven, regularly decreasing, the ter- 
minal one globular; aperture linear, oval, minute. In 
fine sand, Sandwich, rare. 
Grnus.—VERMICULUM. Mont. 
MILLIOLA. Lam. 
Transverse, ovate-globose, or elongated, multilocular , 
chambers transverse, encircling the axis of each 
other ; aperture very small, situated at the base of 
the last whorl, either orbicular or oblong. 
V. IntortumM. Mon. p. 520.—L. p. 233.—Wern. 
Mem. 4. t. 15. fi 3.—Mace. Ab. p. 37.—M1- 
LIOLA PLANULATA. var. B. Lam?—SErRPvuLA SEMI- 
noLtuM. Lin. 1264.— D. p. 1070.—Dor. Cat. t. 19. 
f.31.—S. Ovauis. Lin. T. 5.¢. 1. f. 28, 29, 30.— 
Suboval, compressed, opaque, glossy white; compart- 
ments three or four, the interior ones varying in shape 
