128.—In..T: 8... 89. ¢. 2...f: 8.— Dor. Cat. £13. 
f. \.—Turt. C. D. p.536.—Turt. B. p. 156. t. 8. 
jf. 8.—Venervris V. F. p. 452.—Rhombic oval, in- 
quilateral, generally obliquely angular on the anterior 
side, yellowish white or pale reddish brown, usually 
variegated marked or rayed with rosy orrich purple, with 
transverse flat striae which are broader anteriorly; lunule 
lanceolate; inside white with generally a rosy tinge; 
two ofthe teeth cloven. 13...2. 8. Coasts. 
V. Nitens. Turt. C. D. p. 247.—Turt. B. p. 157. 
t.10.f. 8.—£. p. 449.—Rhombic oval, tumid in the 
middle, anteriorly angulated, transparent, horny, with 
some few scattered longitudinal markings, crowded 
transverse striz and indistinct longitudinal ones ; only 
the central tooth cloven. %. Duélin Bay. 
V. Decussata. Lan. 1135.—D. p. 205.—Lam 46. 
—list. t. 423. f. 271.—Ch. f. 455,6.—Pen. 4. p. 210 
t. 60. mid. fig.— Don. t. 67.—Lin. T. 6. p. 168. f. 
17.f.11,2.and vol. 8. ¢. 2. f. 6.—Mont. p. 124.— 
Dor. Cat. p. 36. t. 6. f.4.—Turt. C. D. p. 244.—Da 
Cos. t. 14. f.4.—Turt. B. p. 158. t. 8. f. 10.—Ovate, 
anteriorly subangulated and broader, not polished, 
whitish grey or pale rust color, with often purplish 
brown or rufous spots, rays, or ziczacs ; with decussating 
