Ey ee NGAS 
Prats TY. 
Species 12. (Fig. a, 4, c, Mus. Sowerby.) 
TELLINA PERNA. 
verd, subpellucidd, nitidd, sublevigatd, alba flava 
Tel. testd elongata, tenuiusculd, con- 
aurantiaé aut rosed, radio pallidiore postico plerumgue 
ornatd, latere postico breviusculo, attenuato, rostrato, 
ad terminum subdentato, latere antico inflato, lon- 
giusculo, lato, margine ventrali anticé et medio con- 
vexo, postice incurvo, sursum acclivi, fleeurd ventrali 
profunda, dentibus lateralibus nulls. 
Tue Perna TeLiina. Shell elongate, rather thin, con- 
vex, subpellucid, shining, rather smooth, white yel- 
low or pink, generally ornamented with a paler pos- 
terior ray, posterior side very short, attenuated, 
rostrated, slightly dentated at the end, anterior side 
inflated, rather long, wide; ventral margin anteriorly 
and in the centre convex, posteriorly incurved, sloping 
upwards, ventral flexure deep, no lateral teeth. 
SPENGLER, Sch. Nat. Gelst. Kidbenh. 4, 1798. 
Tellina sulphurea, Lamb. 
Tellina latirostra, Lamb. 
Tellina incarnata, Born. 
Tellina pallescens, Dilw. 
Tellina latirostra, Swains. 
Hab. Singapore and Isl. Bureas, Philippines. 

Species 13. (Fig. a, 0, Mus. Sowerby.) 
TELLINA LANcEOLATA. Tel. testd elongata, tenui, sube- 
quilaterali, valde compressa, tenuiter concentricé sul- 
cata, alba vel rosed, albo posticé uniradiatd, latere 
postico oblique angulato, ad terminum acuminato, post 
angulum depresso, margine dorsali arcuatim declivi, 
latere antico oblongo; margine dorsali elevato, declivi, 
margine ventrali rectiusculo, posticé sursum paululum 
acclivi, costa obliquad posticd intus conspicud, dente 
laterali uno proximo. 
THE LANCBOLATE TELLINA. Shell elongate, thin, sub- 
equilateral, very compressed, finely concentrically sul- 
eated, white or pink, with a posterior white ray; 
posterior side obliquely angular, acuminated at the 
end, depressed behind the angle, dorsal margin 
arched, sloping, anterior side oblong ; 
g; dorsal margin 
raised, sloping, ventral margin rather straight, a 
little sloping upwards posteriorly, an oblique pos- 
terior rib conspicuous within, one proximate lateral 
tooth. 


Cuemnitz, Conch. vol. vi. p. 111. f. 103. 
Psammotea peilucida, Lamarck. 
Hab. Island of Negroes, Philippines ; H. Cuming. 

Species 14. (Mus. Sowerby.) 
TELLINA TIMORENSIS. 
tenuiusculd, subequilaterali, compressa, complanata, 
Tel. testé oblongo-subquadrata, 
utringue hiante, albidd, opacd, concentricé striata, 
latere postico subobligue truncato, obtuse angulato ; 
margine dorsali recto, declivi, margine ventrali rec- 
tiusculo, post medium subsinuatim depresso, flecurd 
ventrali inconspicud, dentibus lateralibus nullis. 
Tur Timor TELitNa. Shell oblong-subquadrate, rather 
thin, subequilateral, compressed, flattened, gaping at 
both ends, white, opake, concentrically striated, pos- 
terior side subobliquely truncated, obtusely angled; 
dorsal margin straight, sloping, ventral margin rather 
straight, past the middle sinuously depressed, ventral 
flexure very inconspicuous, no lateral teeth. 
Lamarck, Anim. sans vert. vol. v. 
Hab. Isl. Timor and Isl. Negroes, Philippines. 
This very flat species has a slightly depressed sinuosity 
past the middle on the posterior side. 
Species 15. (Mus. Sowerby.) 
TELLINA ALBINELLA. el. testd oblongo-ovali, subaqui- 
laterali, tenniusculd, complanatd, nitidd, concentricé 
sulcatd, albidd vel rosed, latere antico declivi, latere 
postico subacuminato, supra declivi, posticé leviter an- 
gulatd, ared postangulari angustd, striata, margine 
ventrali medio rectiusculo, postice sursum valide ac- 
clivi, dente laterali uno proximo. 
THE LITTLE WHITE TELLINA. 
equilateral, rather thin, flattish, shining, conceutrically 
grooved, white or pink, anterior side sloping, poste- 
Shell oblong-oval, sub- 
rior side rather acuminated, sloping above, posteriorly 
lightly angulated, postangular area narrow, striated ; 
ventral margin rather straight in the middle, poste- 
riorly strongly sloping upwards, one lateral tooth 
proximate. 
Lamarck, Anim. sans vert. n. 17. 
Hab. Australia. 

July, 1866. 
