TELLINA.—Piate XXXIV. 
ment short, prominent; anterior side produced, dor- 
sal margin straight, end rounded. 
GMELIN. 
Ch. 
More elongated, rostrated, and delicately sculptured 
than Tellina pulchella. 

Species 193. (Mus. Taylor.) 
TELLINA MERA. Tel. testd@ albd, solidd, inflata, oblique 
subovali ; latere postico brevi, prope marginem angu- 
lato, ante angulum flecuoso, margine dorsali convexo- 
declivi, termino truncato ; latere antico oblique pro- 
ducto, margine dorsali declivi, ante angulum subex- 
cavato, umbonibus retrorsis, elevatis. 
PURE TELLINA. Shell white, solid, inflated, ob- 
liquely suboval; posterior side short, with an angle 
near the margin, flexuous in front of the angle, dor- 
sal margin conyex-sloping, end truncated ; anterior 
side obliquely produced, dorsal margin sloped, slight- 
ly excavated in front of the angle, umboes leaning 
THE 
backwards, elevated. 
Say, American Conchology, pl. 64. f. 2. 
Hab. Guayaquil, south coast of United States. 
Of an elevated form, backwardly sloped. 
Species 194. (Mus. Taylor.) 
Teuina costata. el. testd ovatd, albidd, inflata, soli- 
da, costis crenulatis subdistantibus radiata, striis ele- 
vatis creberrimis concentricé liratd ; latere postico 

prope marginem angulato, margine ventrali sursum ac- 
clivi, terminali subtruncato, dorsali convexo-declivi ; 
latere antico semiovali. 
THE RIBBED TuLLina. Shell ovate, whitish, inflated, 
solid, rayed with crenulated, subdistant ribs, concen- 
trically ridged with very close, raised strize ; posterior 
side with an angle near the margin, ventral margin 
sloping upwards, terminal margin subtruncated, dor- 
sal margin convex-sloping ; anterior side semioval. 
SOWPRBY. 
Hab. Philippines. 
A very beautifully sculptured little shell. 
Species 195. (Mus. Taylor.) 
TeLLINA TENERA. Tel. testd parva, albd, tenni, levi- 
gata, compressa, ovali-subtrigona ; latere postico brevi, 
angulato, post angulum depresso, complanato, ante 
angulum leviter flecuoso ; latere antico producto, mar- 
gine dorsali declivi, umbonibus elevatis, parvis, liga- 
mento parvo, prominentt. 
THE TENDER TELLINA. Shell small, white, thin, smooth, 
compressed, ovate-subtrigonal; posterior side short, 
angular, depressed, flattened behind the angle, slight- 
ly flexuous in front of the angle; anterior side pro- 
duced, dorsal margin sloped, umboes elevated, small, 
ligament small, prominent. 
Say, Journ. Acad. Nat. Sci. Philad. 2. p. 303; Thesau- 
rus Conchyliorum, f. 59. 
Hab. North America. 
A delicate little shell, uot marked by any striking pe- 
culiarities. 

