185 



C. TRISTRIATA. RISSOA T. Thompson. Annals. 

 Nat. His. 5. t. 2. f. 10.-- Conic, volutions five and a 

 half, rounded, smooth, with spiral rows of tawny spots; 

 body whorl very large; aperture roundish oval; no 

 umbilicus ; three striae wind round the summit of each 

 whorl, i. Youghal, Ireland. 



. RISSOA B. Thompson Annals. Nat. 

 His. 5. t. 2./. 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. 

 i. Youghal, Ireland. Not unlike Odos. Spiralis. 



C. PALLIDA. TURBO P. Mont. t. 21. f. 4.^.325, 

 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 arcuated, a faint duplicature on the pillar lip 

 forming a small umbilicus. I.. .0,04. Rare, Salcomb 

 Bay, in sand. 



GENUS. PHASIANELLA 



Oval or conical, solid, aperture entire, oval, longer than 

 broad, the margins disunited above, the ri{/ht lip 



