TELLINA.—Prare XVII. 
taniatd, intus medio rubra, margine alba ; latere 
postico brevi, leviter fleauoso, margine dorsali declivi, 
prope, wnbones concavo, ligamento infosso, margine 
ventrali sursum acclivi, termino subtruncato ; latere 
antico oblique oblonyo, margine dorsali declivi, mar- 
gine ventrali convero, margine cardinali crasso, denti- 
bus lateralibus nullis. 
Tur Meton Tettina. Shell oval, suboblique, rather 
solid, ineequilateral, smooth, orange red, concentri- 
cally banded, interior red in the centre, white round 
the margin; posterior side short, slightly flexuous, 
dorsal margin sloping, concave near the umboes, 
ligament imbedded, ventral margin sloping upwards, 
subtruncated at the end; anterior side obliquely 
oblong, dorsal margin sloping, 
vex, hinge margin thick, without lateral teeth. 
SoWERBY. 
Hab. Malaga. 
ventral margin con- 
This species, which the kindness of Mr. MacAndrew 
enables me to figure, is different from any with which I 
am yet acquainted. 

Species 87. (Mus. Sowerby.) 
TELLINA VESTALIS. 
compressa, albd, liris radiantibus acutis et striis 
concentricis decussatd, valvuld dextrd alteram super- 
Tel. testé solidd, subrotundd, sub- 
ante ; latere postico brevi, subacuminato, radiatin 
biplicato, plicd marginali angustd, alterd in valould 
deatré magna, elevatd, in valvuld sinistrd canalem 
efformanti, margine dorsali valde declivi, depressd, 
concavd, ligamento infosso, margine ventrali valde 
sursum acelivi ; latere antico rotundo, margine dorsali 
declivi, prope umbones concavo, margine cardinali 
erasso, dentibus lateralibus validis, remotis. 
VESTAL TELLINA. Shell solid, somewhat round, 
subcompressed, white, decussated with sharp radiating 
ridges and concentric striae, right valve exceeding 
THE 
the other ; posterior side short, rather acuminated, 
with two radiating folds, marginal fold narrow, the 
other in the right valve large, elevated, in the leit 
valve forming a canal, dorsal margin very sloping, 
imbedded, 
margin strongly sloping upwards; anterior side 
depressed, concave, ligament ventral 
rounded, dorsal margin sloping, concaye near the 
umboes, hinge margin thick, lateral teeth strong, 
remote. 
| Hanuny, Proc. Zool. Soc. 1844; Thes. Conch., Tellina, 
f. 64. 
Hab. Island of Negros, Philippines. 
In Tellina decussata the concentric ridges are more 
conspicuous than the radiating strize, while in 7. vestalis 
the reverse is the case, the radiating ridges being sharp, 
The 

| distant, and prominent, especially near the margin. 
| present species is also more strongly plicated. 

Species 88. (Mus. Sowerby.) 
| Trrtina pecussata. vl. testd solidd, alba, rotunda, 
liris distantibus numerosis concentricis et striis radiatis 
decussatd ; latere postico valeule dextra angulato, 
valeule sinistre canalifero, margine dorsali declivi, 
termino subtruncato, ligamento infosso ; latere antico 
rotundato, cardine dentibus lateralibus validis, posticis 
| remotis, anticis proximis. 
Tue pDEcussATED TELLINA. Shell solid, white, round, 
decussated with numerous distant concentric ridges 
and radiating strie; posterior side of right valve 
angular, of left valve grooved, with dorsal margin 
sloping, subtruncated at the end, ligament imbedded, 
anterior side rounded, hinge with strong lateral teeth, 
the posterior ones remote, the anterior ones approxi- 
mate. 
| Lamarck, Anim. sans vert., Tellina, no. 45. 
| Hab. Australia, Ceylon. 

