CYPREA. 127 
C. AsELLUS. Ovate-oblong, white, with three 
deep-brown zones; sides and extremities unspot- 
ted; teeth unequal. 3. W. 17. 38. 
C. MONILIARIs. Ovate, umbilicated, whitish 
cinereous, with very fine obsolete transverse con- 
current yellow lines, and three rather livid zones ; 
base and sides white and unspotted; teeth nearly 
equal. 2. W. 17. 57. 
C. ciCcERULA. Ovate-globose, turgid, beaked 
at both ends, white or pale fulvous, with raised 
dots and a dorsal groove ; mouth narrow; and the 
lower surface of the shell striated transversely. 2. 
W. 17. 65. 
C. GLoBuLUs. Ovate, smoothish, ventricose, 
sub-globose, beaked at each end, deep saffron, with 
scattered brown spots; no dorsal line. 3. W. 
Lf 67 
C. HELVOLA. Ovate, turgid; back somewhat 
livid, with white and stellated brown spots; sides 
chestnut ; margin jagged, and, as well as the base, 
of a rich orange brown. 3. W. 17. 53. 
C.sTAPHYLEA. Ovate, livid, with raised white 
dots, brown and slightly beaked at the extremi- 
ties; base furrowed; a dorsal line. 2. As the 
shell becomes more aged, the surface becomes 
level and darker. W. 17. 64. 
C. NucLEvs. Ovate, whitish, with raised 
wrinkles and tubercles, whereof the lateral ones 
unite to the furrows of the margin; dorsal line 
