PEL ETN A. 
Puate XXXIX. 
Species 219. (Fig. a, 4, Mus. Angas.) 
TELLINA TENULILIRATA. 
solidd, concentricé liris crebris tenuibus striata, albd 
Tel. testa oblonga, donaciformi, 
vel rubro-purpured, lateraliter paulo fleauoso ; latere 
postico brevi, angulato, ared postangulari trigond, 
angustd, liris magis acutis, margine dorsali valde 
declivi, termino acute truncato, margine ventrali versus 
angulum acclivi, subcontracto; latere antico oblique 
producto, margine ventrali inflato, umbonibus parvis, 
ligamento brevi, dentibus lateralibus distantibus, car- | 
dinalibus ininutis.. 
THE FINE-RIDGED TELLINA. Shell oblong, 
solid, concentrically striated with close, fine ridges, | 
white or reddish-purple, a little flexuous laterally ; 
posterior side short, angular, postangular area tri- 
donaciform, 
| 
gonal, narrow, with ridges more acute, dorsal margin 
much sloped, end acutely truncated, ventral’ margin 
sloped upwards and contracted towards the angle ; 
anterior side obliquely produced, ventral margin 
inflated, umboes small, ligament short, lateral teeth 
distant, cardinal minute. 
SOWERBY. 
Hab. Port Jackson, New South Wales. 
Dredged by G. F, Angas, Hsq., at Sow-and-Pigs Bank. 

99 
Species 220. (Fig. a, 6, Mus. Angas.) 
TELLINA SUBELLIPTICA. Tel. testdé breviter subovali, 
tenui, converd, albd vel purpured, levigatd, prope 
margines substriatd ; latere postico breviusculo, leviter 
flecurd radiaté valeule dextre costaformi, imargine 
dorsali convewo, declivi, margine ventrali prope fleru- 
ram subexcavato, termino subrotundo; latere antico 
oblique producto, margine ventrali convexo, umbonibus 
parvis, acutis, ligamento subinfosso. 
THE SUBELLIPTICAL TELLINA. Shell shortly suboval, 
thin, convex, white or purple, smooth, slightly 
striated near the margins ; posterior side rather short, 
with radiating flexure rib-like on the right valve, 
dorsal margin convex, sloped, ventral margin a little 
excavated near the flexure, end subrotund ; anterior 
side obliquely produced, ventral margin convex, 
umboes small, acute, ligament partly imbedded. 
SoWERBY. 

Hab. Port Jackson, New South Wales. 
This pretty little shell was dredged by G. F. Angas, Esq., 
in three fathoms of water. 

Species 221. (Fig. a, 4, Mus. Angas.) 
TELLINA SEMITORTA. 
albd vel flavidé, compressd, posticé lateraliter com- 
Tel. testé oblonga, donaciformi, 
pressi et flewuosd, creberrimée concentricé lirald ; 
latere postico brevissimo, margine dorsali valde declivi, 
termina truncato, margine ventrali sursum acelivi, 
medio convexo ; latere antico elonyato, margine dorsali 
convewvo, declivi, termino subacuminato, valeuld dextré 
quam alterd magis convexd. 
THE HALF-TwisteD TELuina. Shell oblong, wedge- 
shaped, white or yellow, compressed, laterally com- 
pressed and flexuous posteriorly, very closely, 
centrically ridged ; posterior side very short, with 
con- 
dorsal margin much sloped, end truncated, ventral 
margin sloped upwards, convex in the middle ; 
anterior side elongated, dorsal margin convex, sloped, 
end rather acuminated, right valve more convex than 
the other. 
SOWERBY. 
Hab. Port Jackson, New South Wales. 
Dredged in Watson’s Bay, P. J., by G. F. Angas, Esq. 

Species 222. (Fig. a, 6, Mus. Angas.) 
TELLINA SEMIPLANA. Tel. testd albd, tenui, levigatd, 
compressa, ovata, valvuld sinistrad medio quam alteré 
magis complanatd ; latere postico breviori, angulato, 
hianti, margine dorsali recto, declivi, termino oblique 
truncato, infra acuminato, margine ventrali sub- 
Jlexuoso, sursum acclivi ; latere antico oblique pro- 
ducto, termino rotundo, umbonibus acuminatis, liga- 
mento brevi, exlerno. 
HALF-FLATTENED TrLLINa. Shell white, thin, 
smooth, compressed, ovate, left valve more flattened 
in the middle than the other; posterior side the 
shorter, angular, gaping, dorsal margin straight, 
THE 
sloped, end obliquely truncated, acuminated below, 
ventral margin subflexuous, sloping upwards; anterior 
side obliquely produced, end rounded; umboes acu- 
minated, ligament short, external. 
September, 1867. 
