185 
C. TristR1ata.—Rissoa T. Thompson. Annals. 
Nat. His. 5. t. 2. f. 10.-- Conic, volutions five and 
half, rounded, smooth, with spiral rows of tawny spots; 
body whorl very large; aperture roundish oval; no 
umbilicus; three striz wind round the summit of each 
whorl. 4. Youghal, Ireland. 
C. Batri#.—Rissoa B. Thompson Annals. Nat. 
Mis. 5. t. 2. f. 9.— Elongated, white, apex obtuse, five 
slightly rounded whorls, deeply marked longitudinally 
with somewhat distant striae ; aperture ovate, margin of 
the mouth thin, base of the body whorl spirally striated. 
3- Youghal, Ireland.—wNot unlike Odos. Spiralis. 
C. Patiipa.—Turso P. Mont. t. 21. f. 4. p. 3265. 
—PHASIANELLA P. F. p. 302.—Smooth, white, rather 
slender in shape, with six or seven whorls tapering to a 
moderately fine apex ; whorls not much raised but sepa- 
rated by a well defined suture; aperture suborbicular, 
outer lip arcnated, a faint duplicature on the pillar lip 
forming a small umbilicus, +...0,04. Rare, Salcomb 
Bay, in sand, 
. Grenus.—PHASIANELLA 
Oval or conical, solid, aperture entire, oval, longer thax 
broad, the margins disunited above, the right lip 
