CASSIS. 101 
the latter toothed within, and denticulated at the 
base ; spire mucronated. 3%. W. 22. 35. 
C. zeBRA. Ovate, in the young grooved all 
over, in the adultbelow, but smoothabove; whitish, 
with longitudinal yellow streaks ; pillar wrinkled 
below ; lip strongly furrowed; spire short, conic, 
decussated. 22. W. 22. 21. 
C. arEOLA. Ovate, smooth, shining, whitish, 
with transverse rows of large yellowish or fulvous- 
brown spots ; spire short, conic, and decussated ; 
pillar wrinkled; lip strongly toothed; throat 
brownish. 24. W. 22. 20. 
** Spire without varices. 
C. rnura. Ovate-ventricose, very thick and 
ponderous; red, with many rows of connected 
tubercles and several noduliferous belts, and the 
base with two rows of white longitudinal furrows; 
spire short and mucronated ; pillar and lip thick, 
bright red, with white wrinkles. 5%. W. 22.15. 
C. TxesTicuLus. Ovate, with close elevated 
longitudinal and rather distant indented trans- 
verse strie ; pale reddish, with darker rufous spots 
either irregularly or in rows; frontal callosity large, 
sallow, partly tinted with orange; pillar wrinkled ; 
lip toothed ; mouth elongated, straight, and nar- 
row; spire short, rounded, and mucronate. 3. 
W. 22. 18. 
C. saBuROoN. Ovate- globose, closely fur- 
