APPENDIX. 859 
VENUS SUBIMBRIOCATA (t. 15, f. 57), Sow. Z. P. 1835.—Sow. Th. 2, 
t.154, f.35,6,7—Anomoxtocarpia s. Desh. Vener. p.117. Rounded 
heart-shaped, very inequilateral, very solid, subventricose, pale brownish 
fulvous variegated with patches of livid chestnut, concentrically ridged, 
and radiatingly costellated ; umbonal ridges distant, briefly lamellar, 
the rest ascending in steps, as it were, from the greatly arcuated and 
coarsely crenated ventral margin; costellee rounded, numerous, quite 
as broad as their intervals; ligamental edge much sloping; anterior 
slope excavated, its circumference angulated; lunule large, cordate, 
impressed ; ligament sunken ; inside whitish. 42...12,. C. America. 
VENUS OBLONGA (t. 16, f. 1).— Dosina 0. Gray, Dief. Zeal._— 
V. o. Sow. Th. 2, p. 732, t. 161, f. 197.— Desh. Vener. p. 103.— 
V. Zevanvica, Gray, in Yates, N. Z. teste Desh. 'Transversely sub- 
ovate, a little subcordiform, extremely inequilateral, blunt at both 
ends, solid, very ventricose, dirty whitish or rust-coloured, rather 
closely encircled throughout with lamelliform lyre, which are slightly 
subcrenulated behind by radiating striole, the intervals broader and 
elsewhere either smooth or minutely striolated concentrically ; ventral 
edge closely denticulated, subarcuated; ligamental edge not much 
sloping; ligament scarcely raised; beaks much inclined; lunule 
large, cordiform, flat, defined by a deep groove ; inside wholly white, 
pallial sinus very small, acutangular, lateral scars very large. 13...27,. 
N. Zealand. 
Venus LAMInosa * (t. 16, f. 11), Turt. D. B. 148, pl.10, f. 4. Sub- 
ovate-cordiform inequilateral, compressed, subangulately attenuated 
in front, squalid or pale ochre-yellow, sometimes subarticulated with 
liver-colour upon the raised sculpture; rather closely encircled with 
numerous sublamellar ribs, the intervals of which are either 
smooth or concentrically incised; ventral edge finely crenulated, 
arcuated and much ascending behind; anterior slope retuse; lunule 
well-defined ; wholly whitish within. 3. Britain. 
Venus Kereri (t. 16, f. 47), Hinds, Sulph. p. 65, t. 19, f. 5.— 
Sow. Th. 2, p. 721, t. 155, f. 64.—Cutone K. Desh. Vener. p. 127. 
Subovate-cordiform, subtruncately attenuated in front, narrowly 
rounded behind, inequilateral, thickish, more or less ventricose, fawn- 
coloured in radiating shades in the middle, whitish at the extreme 
sides ; sculpture at the umbonal region (and in the young) consisting 
entirgly of shelving flattened belts and close-set interstitial radiating 
sulci, elsewhere, except at the sides (beyond the coloured surface) 
which are radiated, as it were, with concentric lamelle that do not 
extend to the angular limit of the ligamental slope, smooth, except 
for the distant coarse and deep concentric sulci; ventral edge denti- 
culated within, arcuated, rising at both ends; beaks acute, recurved ; 
lunule large, pallid, well-defined, with pouting edges; ligament 
