TEA TNA. 
Puate XX. 
Species 99. (Mus. Taylor.) 
TELLINA EMARGINATA. el. testd oblongd, subdonaci- 
formi, levigatd, nitidd, valde inequilaterali ; latere 
postico brevi, oblique angulato, termino acuminato, 
post angulum depresso, aved postangulari angustd, de- 
clivi, in sinu desinente ; latere antico oblongo, termino 
rotundo, dentibus lateralibus anticis subcentralibus. 
Tue pMarGINATE TeLurNa. Shell oblong, rather 
wedge-shaped, smooth, shining, very inequilateral ; 
posterior side short, obliquely angular, acuminated 
at the end, depressed behind the angle, postangular 
area narrow, sloping, ending in a sinus; anterior 
side oblong, rounded at the end, anterior lateral 
teeth subcentral. 
Sowersy, Tank. Cat. App. p. 3. 
Hab. Singapore. 
The peculiarity of this wedge-shaped species is the 
sinus formed by the sudden termination of the postangu- 
lar area above the terminal angle of the shell. 
Species 100, (Mus. Taylor.) 
TrLuIna ventricosa. el. testd alba, inflatd, ovali, 
subaquilaterali, tenui, tenuissimé striatd ; latere pos- 
tico subtrigono, subrostrato, acuminato, inconspicue bi- 
angulato, margine dorsali subcomplanato, declivi; la- 
tere antico lato, valde inflato, margine ventrali rotun- 
do, umbonibus influtis, cardine tenui, dentibus laterali- 
bus nullis. 
THE VENTRICOSE TELLINA. 
subequilateral, thin, very finely striated; posterior 
Shell white, inflated, oval, 
side subtrigonal, subrostrated, acuminated, obscurely 
biangular, dorsal margin slightly flattened, sloping ; 
anterior side wide, much inflated, ventral margin 
rounded, umboes inflated, hinge thin, lateral teeth 
none. 
DESHAYES. 
Hab. ——? 
A much inflated, oval, white shell. 

Species lu1. (Mus. Taylor.) 
TELLINA NyMPHALIS. Tel. testd ovali, subtrigond, sor- 
didé albd, postice valde flewuosd, epidermide tenui 

fusco indutd, levigatd, obliqud ; latere postico brevi- 
usculo, trigono, attenuato, depresso, lateraliter arcuato, 
angulato, areé postangulari angustd, declivi ; latere 
antico inflato, oblongo, obliquo, margine ventrali an- 
tice convexo, dentibus lateralibus nullis. 
Tne NympH’s TeLLINA. Shell oval, subtrigonal, sordid 
white, posteriorly very flexuous, covered with a thin 
brown epidermis, smooth, oblique ; the posterior side 
rather short, trigonal, attenuated, depressed, bent la- 
terally, angulated, the postangular area narrow, slop- 
ing; anterior side inflated, oblong, oblique, ventral 
margin convex anteriorly, lateral teeth none. 
Lamarck, Anim. sans vert. Tellina, n. 50. 
Hab. Gambia. 
The posterior side of this shell is depressed, and has a 
curve, causing the right valve to appear concave and the 
left convex. 

Species 102. (Mus. Taylor.) 
Tretuina GataTuma. Tel. testa oblique ovali, tenui, in- 
flatd, alba, minutissine punctato-granosd ; latere pos- 
tico brevi, obtuse angulato, termino truncato, margine 
dorsali declivi, complanato-subexcavato, margine ven- 
trali ad anguluim sursiim acelivi ; latere antico ob- 
longo, margine ventrali inflato, margine dorsali de- 
clivi, convexo, dentibus lateralibus nullis. 
Tur GavaTHma TELLINA. Shell obliquely ovate, thin, 
inflated, white, very minutely granularly punctured ; 
posterior side short, obtusely angular, truncated at 
the end, dorsal margin sloping, flattened, subexca- 
vated, ventral margin sloping upwards to the angle ; 
anterior side oblong, with the ventral margin inflated, 
dorsal margin sloping, convex, lateral teeth none. 
Lumarck, Anim. sans vert. Psammobia, n. 18. 
Tellina sericina, Jonas. 
Hab. China. 
The peculiar sculpture of this shell consists of raised 
grains, punctured as if from within. 
Species 103. (Mus. Taylor.) 
TRLLINA PURPURASCENS. Tel. testa ovato-oblonga, com- 
pressd, subequilalerali, liris concentricis graniferis et 
striis radiatis impressis minute cancellatd, intus et 
March, 1867. 
