360 TESTACEOUS MOLLUSCA. 
small, sunken; inside wholly whitish; pallial sinus very short. 
2...23. Veragua 
VENus compta (t. 16, f. 18), Sow. Z. P. 1835, p. 438.—Sow. Th. 2, 
p. 710, t.154, f.32, 38,4.—Cutone c. Desh Vener. p.133. Resembling 
V. cancellata, and with difficulty separated from it. It is, however, 
flatter, more spread at the sides, where the radiating strive are 
divergent, and the concentric ribs are less reflected and more laminar. 
11. Peru. The specimen delineated was immature. The lamelle are 
much more crowded ventrally in adult examples. 
VENUS SUBNODULOSA (t. 16, f. 19), Hanl. Z. P. 1844, p. 160.— 
CutonEe 8s. Desh. Vener. p. 148.  Ovate, thickish, subequilateral, 
moderately convex, with crowded concentric ribs that are blunt in the 
middle and in front, but elevated into short lamelle behind, and are 
everywhere rendered nodulous by radiating sulci; ventral edge crenu- 
lated, convex or subarcuated; both dorsal edges somewhat sloping ; 
the anterior slope and the oblong-cordate lunule prominent ; ligament 
sunken, and very narrow; inside stained with purple. 4. Philip- 
pines. Whitish variegated with livid brown, or brownish fulvous with 
the beaks whitish. 
Venus Cuemnirztit (t. 16, f. 20), Hanl. Z. P. 1844, p. 160.—Sow. 
Th. 2, p. 702, t. 152, f. 6.—Desh. Vener. p. 108. Rhombic-heart- 
shaped, thick, ventricose, very inequilateral, whitish, somewhat radi- 
atingly spotted and streaked with brown, with very numerous short 
and everywhere curly concentric lamelle, and very crowded narrow 
radiating costelle; ventral edge convex, crenulated; front dorsal 
edge straightish, not at all sloping; anterior side angulated above ; 
hinder side short, attenuated, rounded; lunule brown, cordate; liga- 
ment sunken, narrow; inside whitish. 1%$...24. Philippines. 
Teeth as in V. puerpera. A slight tinge of orange beneath the 
umbones. 
Venus Lyra (t. 16, f. 21), Hanl. Z. P. 1844, p. 161.—Sow. Th. 2, 
t. 161, f. 192.—Desh. Vener. p. 104. Rounded-cordate, ventricose, 
very inequilateral, marked with brown angular lines and spots on a 
whitish ground; closely encircled by smooth riblets, which are mem- 
branaceous near the extremities, and subimbricated in the middle, the 
intervals devoid of sculpture; ventral edge arcuated, crenated within ; 
lunule deep brown, heart-shaped; anterior slope excavated; inside 
whitish. 1%...12. Guinea. ‘ 
VENUS DECIPIENS (t. 16, f. 22), Hanl. 7. P. 1844, p. 162.— 
Cutone pv. Desh. Vener. p. 128. IL have reason to believe that this 
is only the youny of V. fasciata (the V. Brogniarti of Payraudeau ). 
VrNnus LACERATA (t. 16, f. 23), Hanl. Z. P. 1844, p. 161.—Sow. 
Th. 2, p. 704, t. 152, f. 8, 4.— Desh. Vener. p. 105. Allied to 
V. puerpera, but less ventricose, and with its ventral and anterior 
