SY TESTACEOUS MOLLUSCA. 
compressed, pale pink or flesh-colour, with distant transverse 
smooth ridges : depressions reddish: anterior slope glabrous and 
sunken, lunule heart-shaped. 23.—Indian Ocean.— Senegal ? 
V. Canceiata.* Lam. 12.—Mfeeve. t. 68. f.2.—V.CiINGENDA, 
D.p. 161.—W. t. 7. f. 6.—Ch. f. 287, 8, 9.—H. t. 268. f. 1.— 
Turt. Biv. t. 10. f. 3. Heart-shaped, with rather distant trans- 
verse crenulated membranaceous ridges and raised longitudinal 
rib-like strize in their interstices; whitish usually tinged with 
brown or flesh-colour, spotted or indistinctly rayed with dark 
brown ; lunule dark brown and heart-shaped ; anterior slope in 
one of the valves smooth, brown or striped with brown. 1.—W. 
Indies. 
V. Suprostrata. Lam. 13.—An. Reeve. t. 68. f.4.? Heart- 
shaped, broader than the last, shghtly beaked anteriorly, cancel- 
lated by longitudinal striz, and numerous transverse regular equi- 
distant fine ridges, whitish with rufous or dark spots disposed in 
rays; lunule heart-shaped: white within. 14.—W. Indies? 
E. Indies? — Closely allied to Cancellata. 
V. Fascrata.* Donovan. t.170.—D. p. 159.— Ch. f. 277, 8. 
—E. t. 276. f. 2.—W. t. 7. f. 3. Rounded heart-shaped, de- 
pressed, with smooth thick transverse flattened ribs of nearly uni- 
form thickness throughout, white with chesnut spots disposed in 
three rays, entirely reddish-brown, or yellowish either with or with- 
out three reddish-brown or many red rays ; beaks prominent, lunule 
ovate, sunken, and very delicately striated ; crenations of the margin 
very fine. Diameter 1.—Europe, Mediterranean. 
V. Parnura. Lin. 1129.—D. p. 159.—W. t.7. f 2.—Ch. f. 
274, 5, 6.—F. t. 275. f. 5.— Reeve. t. 68. f. 1. Triangular heart- 
shaped, thick, solid, white covered with small rufous zigzag lines, 
with thick broad transverse ribs which become suddenly narrower 
on the anterior side; lunule ovate heart-shaped, sunken, finely 
striated, and either red or with lettered markings : margin very 
finely toothed. Diameter 13.—W. Indies. 
V. Turara. D. p. 162.—Ch. f. 279, 280.—Gualt. t. 88. D. 
— FH. t. 275. f. 4.— Reeve. t. 67. f.3.—W.t. 7. f. 8. Triangular 
ovate, somewhat heart-shaped, depressed, white with usually three 
reddish-violet rays, with a few distant much elevated transverse 
membranaceous ridges, which become larger as they approach the 
anterior side, where they assume the appearance of large scales 
surrounding the anterior slope: lunule heart-shaped and sunken ; 
within with a violet posterior stain and the margin finely crenated. 
13..14.—E£. Indies. 
V. Yarer. Gray in Yates, N. Z. Ovate, rather truncated 
anteriorly, solid, brown, with rather distant thin concentric lamine, 
which are higher behind and before, and waved: hinder slope 
depressed, lozenge-shaped : lunule laminar.— New Zealand.—Inke 
