TELLINA.—Puate V. 
sinuous at the end, posterior side longer, rather 
attenuated, acuminated; the dorsal margin arched, 
sloping, ventral margin anteriorly in the middle and 
beyond straight, posteriorly sloping upwards, then 
emarginate, dextral valve inflated, sinistral valve 
rather flat, ventral fold strong, lateral teeth none. 
GMELIN, Linn. Syst. Nat. 3239. 
Levagal, Adans. 
Hab. Senegal. 

Species 20. (Mus. Sowerby.) 
TELLINA RUFESCENS. Tel. testa oblonga, ovali, inequi- 
valvi, inequilaterali, solidd, levigatd, subpurpureo- 
vosed, latere antico semiovali, breviusculo, latere pos- 
tico elongato, attenuato, obscuré angulato, margine 
dorsali ad ligamentum excavato, tum arcuatim declivi, 
margine ventrali sursum acclivi subsinuato, flexurad 
cventrali inconspicud, valuuld dextra profunda, valoula 
sinistra subcomplanatd, dentibus lateralibus nullis. 
THE REDDISH TELLINA. Shell oblong, oval, inequivalve, 
inequilateral, solid, smooth, purplish-rose, anterior 
side semioval, rather short, posterior side elongated, 
attenuated, obscurely angular, acuminated, dorsal 
margin excavated at the ligament, then arched and 
sloping, ventral margin sloping upwards, slightly 
sinuous, ventral flexure inconspicuous, right valve 
deep, left valve rather flat, lateral teeth none. 

Curmnitz, Conch. vol. vi. f. 97. 
Tellina operculata, Gmel. 
Hab. Tumbez, Peru. 
A shell of oblong form, with the right valve much 
deeper than the other. 
Species 21. (Mus. Sowerby.) 
TELLINA CANDIDA. Tel. testd oblong, tenui, subcompressd, 
obliquad, alba, inequilaterali, levigatd, latere postico 
brevissimo, breviter truncato, leviter angulato, mar- 
gine dorsali valde declivi, ventrali sursum acelivi, la- 
tere antico elongato, margine dorsali parum declivi, 
subconvexo, margine ventrali antice valde convexo, den- 
tibus lateralibus nullis. 
Tum waity Tevumna. Shell oblong, thin, rather com- 
pressed, oblique, white, inequilateral, smooth, pos- 
terior side very short, shortly truncate, slightly an- 
gular, with the dorsal margin very sloping downwards, 
and the ventral sloping upwards, anterior side elon- 
gate, with the dorsal margin a little sloping, rather 
convex, ventral margin very convex anteriorly, no la- 
teral teeth. 
Lamarck (Psammoteea), Anim. sans vert. 
Hab. China. 
Longer and narrower than 7. galathea, aud without the 
raised dots said to be characteristic of that species. 

