ie Gelel Nez 
Puate LIII. 
Species 312. (Fig. a, 6, Mus. Brit.) 
Teuuina rmmMacunata. Tel. testd ovatd, subiuflata, lac- 
ted, tenui, subequilaterali, inequivalvi, valeuld sinis- 
tra profundiori, ad marginem ventralem postice paulo 
superante ; latere postico angulato, late truncato, 
ligamento prominulo. 
THE IMMACULATE TELLINA. Shell ovate, subinflated, 
milk-white, thin, subequilateral, inequivatve, left valve 
rather the deeper, posteriorly overlapping the other 
at the ventral margin; posterior side angular, widely 
truncated, ligament a little prominent. 
PuILiper. 
Had, Sandwich Islands. 
This shell reminds the observer of Zedlina dispar, but 
is quite without the oblique striz in both valves. 
Species 313. (Fig. a, 6, Mus. Brit.) 
TeLLIna TeRSA. Tel. testa subtrigond, compressa, tenut, 
alba, epidermide tenui indutd, validé flexuosd ; latere 
postico brevi, angusto, ucuminato, radiatim in valvula 
sinistra biplicato, valould dextrd uniplicato ; latere 
antico obliquo; margine dorsali declivi, termino ro- 
tundo; margine ventrali antice convexo, ligamento 
parvo, dentibus cardinalibus parvis, lateralibus nullis. 
TERSE TELLINA. 
thin, white, covered with a thin epidermis, very 
flexuous ; posterior side short, narrow, acuminated, 
with two radiating folds in the left valve, one in the 
THe Shell subtrigonal, compressed, 
right; anterior side oblique, dorsal margin sloped, 
end rounded; ventral margin anteriorly convex, liga- 
ment small; cardinal teeth small, lateral none. 
GouLp, Pro. Zool. Soc. 1854, p. 199. 

Species 314. (Mus. Brit.) 
5 CAO 
TpLuina Quoyt Tel. testd ovatd, latd, politd, flavidd, 
interruplim roseco radiata et concentricé fasciatd ; 

latere postico trigono, acuminato, brevi, radiatim 
prope marginem angulato, ligamento elongato ; imar- 
gine dorsali declivi; latere antico oblique eapanso, 
subinflato, dentibus lateralibus approxinatis. 
Quoy’s Tetiina. Shell ovate, wide, polished, yellowish, 
interruptedly rayed and concentrically banded with 
pink ; posterior side trigonal, acuminated, short, ra- 
diately angular near the margin; ligament elongated, 
dorsal margin sloped; anterior side obliquely ex- 
panded, subinflated ; lateral teeth approximate. 
Desnayes, Pro Zool-Soe.1856,-p-130; 275. 
Hab. N. Australia, 0 °° 
yp 
A beautiful shell, resembling Zeddina sol in form, but 
differing much in the character of the ornamentation. 

, 
Species 315. (Fig. a, 4, Mus. Brit.) 
TELLINA DENTICULATA. el. tesld ovald, alba, levigata, 
subcompressd, tenui, opacd, inequilaterali, inequi- 
valvi, valvuld sinistrd profundiori, alteram anticée ad 
marginem ventralem superante ; latere postico brevi, 
acuminato, flexuoso, radiatim uniplicato, ad terminum 
in dentem producto ; imargine dorsali prope umbones 
secto, excavato; umbonibus acutis; latere antico amplo, 
margine dorsali convexo, elevato ; dentibus cardinalt- 
bus parvis, lateralibus nullis. 
DENTICULATED TrLLINA. Shell ovate, 
smooth, rather compressed, thin, opake, inequilateral, 
inequivalve, left valve the deeper, overlapping the 
other at the ventral margin anteriorly; posterior side 
short, acuminated, flexuose, with one radiating fold, 
THE white, 
produced into a tooth at the end; dorsal margin 
cut and excavated near the umboes; wmboes sharp, 
anterior side full, dorsal margin convex, elevated ; 
eardinal teeth small, no lateral teeth. 
Desuayes, Pro. Zool. Soc. 1864, p. 365. 
Hab. ——? 
Resembling Zv/lina secta, but less inflated and more 
oblong than that species. 

October, 1868. 
