197 
WORMS. TESTACBA. 58. Tellina. 
orange, (ometimes marked with undulate rufous fpots ; the 
ftri® incline obliquely towards the outer maigin like the hties 
at the ends of the fingers, which gives it the appearance of 
being fpirally ftriate. 
“'‘lea. J5j|gj] globular glabrous horn-cploijr, ■vyith a traufverfe groove. 
Pennant Brit. Zool. iv. tfib. 3^- 
Lifier. tab- *4- 
Lilier an. Augi, tab. 2 fig, 31. App. tab. ^-ftg $* 
Argtnni. Conth, tab. 2 "]. fig. 9- Zoom, t. 8. f. 10. 
Sehreet. Plujconch. tab, 8. fg. 3 — 5. 
Chemn. conch. 6. te^. 13. fg‘ 133* 
Inhabits ponds and frefh water of : fize of a pea. 
Shell pellucid poliflied, very finely ftriate acrols; wkhin blueifh- 
whitc, without white or pale or bluei£h-afti, with tranfverfc 
black curves one of which is more diftinftt about the fize of 
a pea, often more than twice as large : lateral teeth of the hinge 
elongated, middle-ones hardly any, 
flattifh glabrous, with an acute protuberance. 
Chemn. conch. 6. tab. 13 ?‘ . j l j 
Inhabits pools or marfhes of Europe'. 6 lines long and 4 broad; 
viviparous: Jhell brownifh. the back of the valves.cinereous, 
the margin while, within white; the yooger ones entirely 
white and diaphanous : hinge without middle teeth, lateral 
ones 6 obfolete. 
Shell fomewhat heart-fhaped, tranfverfely grooved, with an 
obtufe protuberance. 
Chemn. conch. 6. tab. I 3. fig. 134 * 
Inhabits pools and ditches of Europe' i — 5 lines broad. 
Shell lets globular than T. cornea, within glabrous and blueiili, 
without white brown or yellow with a blackifh rib or two; 
the younger ones entirely white and pellucid : hinge with 2 
ritiddle teeth in each valve and a lateral one each fide. 
Shell triangular gibbous and tranfverfely ftriate. 
Inhabits the Euphrates. Mull. I'erm. 2. p, 205. 11, 39 °' . 
Shell thick hard opake, broader towards the hinge on the fore- 
part; outwardly green with imbricate ftris parvallel with the 
aperture, within blue ; hinge with 6 middle teeth, the lateral 
each fide long and with the receiving grooves crenulated. 
Slull triangular gibbous tranfverfely ribbed. 
Mull. ‘verm. trrr. et flans. 2, p. 206. n. 39 '' . c n y ■ 
Inhabits the river which walhes Canton in China, 6- a lines 
long nid broad ; opake, sviihout green, witiiin whitifli maraed 
with a black fcmicirclc : hinge as in the former. 
Flwaiatilis. 
