Sota lepelhe lis NAS: 
PLATE 
Species 188. (Fig. a, 4, Mus. Taylor.) 
TELLINA FLEXUOSA. 
umbones pallidissime fulvd, gibbosd, striis oblique flecu- 
Tel. testi rotunda, albida, prope 
osis, tenuissimis sculptd ; latere postico subacuminato, 
prope marginem obscure angulato, ante angulum sub- 
depresso, margine ventrali sursum acelivi, margine dor- 
sali convexo, declivi; latere antico breviusculo, mar- 
gine dorsali subconcavo, unbonibus rotundis, inflatis. 
THE FLEXUOUs TELLINA. 
pale fulvous near the umboes, gibbous, sculptured 
Shell round, whitish, very 
with obliquely flexuous, very fine lines; posterior 
side subacuminated, obscurely angular near the mar- 
gin, subdepressed in front of the angle, ventral mar- 
gin sloped upwards, dorsal margin convex, sloped , 
anterior side rather short, dorsal margin subconcave, 
umboes round, inflated. 
Say, Journ. Acad. Nat. Soc. Philad. vol. ii. p. 303. 
Tellina mirabilis, Philippi. 
Hab. United States. 
The young shell (Fig. @) is much more flat than in sub- 
sequent stages. 

Fig. 189, a, 4. 
TELLINA IRIDESCENS. ‘This shell, received as Tedlina 
carnea, Philippi, has been already figured, species 129, 
and inadvertently repeated here. 

Species 190. (Mus. Taylor.) 
TeLLInA Bencuertana. Tel. testd oblongo-ovatd, com- 
pressa, laminis minutis subdistantibus concentricis li- 
ratd, albd, prope umbones pallidissime flavidd ; latere 
postico breviusculo, bicostato, inter costas profunde ex- 
cavato, ante costam anticam excavato, flexuoso ; latere 
antico oblongo, antice subangustato, ligamento infosso, 
umbonihus acuminatis. 
Beicuer’s TELLINA. 
ridged with minute, subdistant, concentric Jamin, 
Shell oblong-ovate, compressed, 
white, very pale yellow near the umboes; posterior 
side rather short, with two ribs, deeply excavated be- 
tween the ribs, excavated and flexuous in front of the 
anterior rib; anterior side oblong, rather narrow in 
front, ligament imbedded, umboes acuminated. 
SowWERBY. 
Hab. 
-] 

June, 
XXXIV. 
More oblong in form than Ze/lina staurella, with the 
posterior angle and flexure formed into two strong ribs. 
Species 191. (Mus. Taylov.} 
Tel. 
gata, oblonga, inflata, 
TELLINA ASSIMILIS. testa albd, semipellucidd, levi- 
inequilaterali ; latere postico 
breviori, angulato, ante angulum leviter flecuose, mar- 
gine dorsali depresso, prope wnbones excavato, termina 
oblique truncato, infra subacuminato, margine ventral: 
ante angulum emaryinato, tum inflato, deinde subcon- 
tracto ; latere antico oblongo, margine ventral con- 
vewo, margine dorsali rectinsculo, paulo declivi, winho- 
nibus relrorsis, parvis, ligamento brevi. 
ASSIMILATED TELLINA. 
Tue Shell white, semipellucid, 
smooth, oblong, inflated, inequilateral ; posterior side 

the shorter, angulated, slightly flexuous in front of 
the angle, dorsal margin depressed, excavatea ear 
the umboes, end obliquely truncated, subacumi- 
nated below, ventral margin notched in front of the 
angle, then inflated, afterwards slightly contracted ; 
anterior side oblong, ventral margin convex, dorsal 
margin rather straight, a little sloped, umboes lean- 
ing backwards, small, ligament short. 
Han ey, Pro. Zool. Soc. 1844; Thes. Conch. pl. lvii.., 
Liga aye ; 
Hab, Philippines. 
This shell is not much like Z¢dlina elongata, being much 
more tumid, and of a different form. 
Species 192. (Mus. Sowerby.) 
TELLINA 
pressit, concentrice tenuissime striata, medio laevigata, 
AnGusta. Tel. testa tenui, elongata, com- 
radiis rubris latis pictd, inter radios pallide strami- 
ned ; latere postico angusto, rostratle, margine ventral 
recto, imargine dorsali declivi, termino rotundatim sub- 
truncato, infra acuminato, ligamento brevi, proii- 
nenti; latere antico producto, margine dorsali recto, 
termino rotundo. 
NARROW TELLINA. 
pressed, concentrically very finely striated, smooth 
THE Shell thin, elongated, com- 
in the middle, painted with broad red rays, pale 
straw between the rays ; posterior side narrow, ros- 
trated, ventral margin straight, dorsal margin sloped, 

end roundly subtruncated, acuminated below, liga- 
1867. 
