> 
» 
postice angulatis ; latere antico brevi, obtuso, postico trun- 
cato ; cardine angusto, tridentato, altero bidentato ; sinu pal- 
lit parvo, angusto, brevi, obtuso, submarginalt. 
Hab. Looy. Coll. Cuming. 
18. VeNERUPIS ELEGANS, Desh. (Pl. XVIII. fig. 2.) V. testd 
elongatd, transversd, angustd, inequilaterali, inflato-cylindra- 
ced, antice attenuatd, breviore, postice latiore, obtuse truncatd, 
latere postico obtuse angulaté, longitudinaliter tenuissime et 
eleganter striato-granulosd, transversim multi-lamellosd ; la- 
mellis inequalibus, antice obtusis, crenulatis, postice tenuibus 
latioribus, minute crispis ; lunuld ovato-elongatd, in medio pro- 
minente, rimosd; ared angustd, profundd, canaliculatd ; valvis 
intus albis, marginibus tenue crenulatis ; impressione pallii 
submarginali, sinu brevi, angulato, basi lato. 
Hab. New Zealand. Coll. Cuming. 
19, VENERUPIS sILiqua, Desh. (Pl. XVIII. fig. 1.) V. testd 
elongato-transversd, turgiduld, inequilaterali, albo-flavidd, an- 
terius obtusd, posterius obtuse angulatd, truncatd, transver- 
sim inequaliter striato-sulcatd, sulcis striisque irregularibus, 
numerosis, appressis, nonnullis sensim posterius eminentioribus 
et in laminas breves, regulares, erectas, sese transformantibus ; 
umbonibus minimis, turgidulis ; lunuld viv distinctd, in medio 
prominente ; sinu pallii angusto, elongato, apice obtuso. 
Hab. New Zealand. Coll. Cuming. 
20. VenEeRupPis mitTis, Desh. V. testd ovato-transversdé con- 
veaxiusculd, tenui, inequilaterali, antice declivi, angustiore, ob- 
tusd, postice obscure subangulatd, vix oblique truncatd, intus 
extusque albd, longitudinaliter dense striatd, striis planis, 
sepius duplicatis, lamellis brevibus, angustis, simplicibus, 
postice paulo eminentioribus cinctd ; margine lunulart promi- 
nente, lunuld indistinctd ; cardine angusto dentibus tribus 
minimis instructo ; nymphis intus violaceis, sinu pallii angusto, 
apice acuto, breviusculo. 
Hab. ? Coll. Cuming. 
21. VENERUPIS PAUPERCULA, Desh. JV. testd ovatd, compressd, 
transversd, inequilaterali, irregulariter contortd, antice ob- 
tusd, posterius perpendiculariter truncatd, squalide albo-rufes- 
cente, transversim irregulariter rugosd et striatd, intus albd, 
postice violaceo-maculatd ; sinu pallii lato, profundo, apice ob- 
tusissimo, horizontalt. 
Hab. New Zealand. Coll. Cuming. 
22. VeNERUPIS OBESA, Desh. V. testd ovatd, transversd, brevi, 
inequilaterali, inflatd, turgidd, antice declivi, acuminaté, 
postice obtusd, antice albd, postice squalide violaced, longitu- 
dinaliter tenue striata, transversim irregulariter rugosd ; striis 
convexis, sepius undulosis ; umbonibus magnis, inflatis, promi- 
nentibus, levigatis, oppositis, violaceis ; lunuld aredque nullis ; 
