TELLINA. 
Pruate XLIX. 
Species 288. (Mus. Brit.) 
TrELLINA Prastt. 
luiflatd, levigatd ; latere postico breviusculo, acumi- 
Tel. testa subovatd, tenui, alba, oblique 
nato, prope marginem acute angulato, ante angulum 
depresso, ad imarginem ventralem concavo ; ligamento 
semi-infosso, margine dorsali valde declivi, umbonibus 
retrorsis ; latere antico inflato, margine dorsali de- 
clivi, convexo ; dentibus cardinalibus acutis, dentibus 
lateralibus anticis approaximatis, posticis remotis. 
PEASE’sS TELLINA. Shell subovate, thin, white, obliquely 
inflated, smooth; posterior side rather short, acu- 
minated, with an acute angle near the margin, de- 
pressed in front of the angle, concave at the ventral 
margin; ligament half imbedded, dorsal margin 
much sloped, umboes leaning backwards; anterior 
side inflated, dorsal margin sloped, convex ; cardinal 
teeth acute, anterior lateral teeth approximate, pos- 
terior remote. 
Carpenter, Report. 
Hab. Panama. 
Species 289. (Fig. a, 4, Mus. Brit.) 
TELLINA ENstFoRMIS. Tel. testdé elongatd, subarcuatd, 
tenui, albd, pellucida, compressd, politd, ad terminum 
struis elevatis ad angulum marginemque serratis li- 
rata ; valould sinistrad profundiore ; latere postico an- 
gustiore, oblique biangulatd et flecuosd, angulis ser- 
ratis; maryine dorsali depresso, ligamento semi-in- 
fosso ; margine terminali oblique truncato, termino 
basali acuminato ; margine ventrali utringue sursum 
acclivi; dentibus lateralibus remotis. 
Tue ENstIrorm Trxuma. Shell elongated, slightly 
arched, thin, white, pellucid, compressed, smooth, 
ridged at the end with raised striz, serrated at the 
margin and angle; left valve rather the deeper ; pos- 
terior side the narrower, with two oblique angles 
flexuous, angles serrated ; dorsal margin depressed, 
ligament half imbedded ; terminal margin obliquely 
truncated, basal termination acuminated; ventral 
margin sloped upwards at both ends; lateral teeth 
remote. 
Sownrsy. 

Hab. Australia. 
The form of this species is like Tedlina lanceolata, but 
there is no conspicuous internal bar, 
Species 290. (Mus. Cuming in Brit.) 
TELLINA EGREGTIA. 
compressa, luted, radiis roseis latis, et lineis concen- 
Tel. testa ovata, lata, levigatd, sub- 
tricis rubris pictd, prope umbones vivide sanguinea ; 
latere postico breviori, valde flexuosa et oblique bian- 
gulato, acuminato ; margine dorsali declivi, termino 
emarginato, ante flecuram depresso ; margine ventrali 
concavo ; latere antico subinflato; margine dorsal 
paulo declivi. 
THe EGREGIOUS TELLINA. 
compressed, yellowish, painted with broad pink rays 
Shell ovate, wide, smooth, 
and concentric red lines, brightly sanguine near the 
umboes; posterior side the shorter, very flexuous and 
obliquely biangular, acuminated ; with‘dorsal margin 
sloped, end emarginated, depressed in front of the 
flexure ; ventral margin concave ; anterior side sub- 
inflated, with dorsal margin a little sloped. 
Desuayns, Pro. Zool. Soc. 1854. 
Hab. E 
This brilliantly-painted shell is much broader than 
Tellina perna, which it resembles in some respects. 


Species 291. (Fig. a, 6, Mus. Cuming in Brit.) 
Tettina cristata. Tel. testd ovato-subtrigona, solidd, 
compressa, complanatd, concentricé striata, prope um- 
bones rugatd; valould devtra quam altera magis 
convead; latere postico acuminato, ad terminum trun- 
cato, oblique leviter angulato; margine dorsali declivi, 
subconvero, cuneis folvaceis serrato; latere antico 
margine dorsali declivi, subconcavo, serrato ; dentibus 
lateralibus remotis; margine ventrali rotundo, utrin- 
que valde elevato; umbonibus paulo elevatis, acutis. 
CRESTED TELLINA. Shcll ovato-subtrigoual, solid, 
compressed, flat, concentrically striated, wrinkled 
near the wnboes ; right valve more convex than the 
other; posterior side acuminated, truncated at the 
end, obliquely slightly angular; dorsal margin sloped, 
THE 
October, 1868. 
