WORMS. TESTACEA. 38. TelHna. 149 



hino:c nearly central with a single tooth in one valve 

 locking between 2 in the other, and a projecting lami- 

 na in each. 



Dr. Zool. t. 47. f. 27. Donovan t. \\-f- 2. Tellina. 



Shell An inch and a quarter long, nearly 2 and a half wiilc, white 

 or pale flesh-colour, radiate with purple from the beak, concen- 

 trically striate, purplish within. 



191. S-. stpiamosus. Nearly orbicular, flat, thin, pellucid, 

 minutely punctured:* hinge .! central,, with 2 double 

 teeth diverging each side. 



Montague Brit.^hdls. f. 565. 



Shell 4 lines long, half an inch broad, white with a few concen- 

 tric strix, within with obfcure rays from the hinge : teeth erect, a 

 furrow on the margin dividing each into two laminoe nearly to the 

 beak, where they unite arfd form an acute angle. 



198. S. Pinna. Subovnl, pellucid, semicircular opposite 

 the hinge : hinge running straight from the beak and 

 connecting the valves nearly to the end : in each 

 valve a blunt tooth running straight from the beak. 



Montague Brit. Shells, p. 566. tab. i6./. 3. 



Shelly lines long, 3 quarters of an inch broad, thin, brittle, white, 

 strongly wrinkled concentrically, fmaller and declining a little to- 

 wards the beak : valves one a little convex, the other fomewhat 

 concave : beak fmall, near the. fmaller end : teeth not locking, into 

 one another. . 



38. TELLINA. 



199. T. Ferroensis. Oblongroval, flat, radiate with red 

 and white and finely striate transversely : hinge with- 

 out lateral teeth. 



Da Costa t. \.f. i, Donovan, t. 60. T. trifasciata. 



She II 3 quarters of an inch long, an inch and a half broad, more 

 produced and obliquely truncate on the fore-part : teeth 2, oblique, 

 in each valve : beak fmall, nearly central, with an oblique elevated 

 ridge running down to the end where it forms an angle. 



200. T. squalida. Sub-oval, flat, pointed at the small 

 end,paleyellowish, faintly striate concentrically: hinge 

 with 2 teeth in one valve and 3 in the other, the lateral- 

 one remote and laminate at the base. 



Donov. t. 1 63. Montague Brit. Shells, p. 56. 



Shell an inch long, an inch and 3 quarters bfoad, thin, foinetimc^ 

 covered with a brown skin; one valve reflecting a little at t>r 

 fmall end and forming a depression on, the furface, the other 

 turning inwards to correfpond..: beak fmall, central. 



201. T. l&ta. Oval-oblong, flat, equilateral, with strong 

 concentric strise : hinge with 3 teeth and a remote 

 lateral lamina, the outer tooth on. the antcrio? side 

 cloven. 



Donovan t. 123. Tvinequistriata. T. punicea. Gmat." 



Shell 3 quarter*. of an inch long, an inch and 4 lines broad, yel- 

 lowish-white or pale rofy, unequally, striate, equivalve.: beaA 

 fmall, pointed : hinge in the middle. 



202. T. donacina. Sub-oval, flattish ? much sloping on the 

 anterior-end, nearly smooth, semipellucid : bingo 

 with 2 teeth in one valve, and one in the other, 



Chsm, Cvnch, 6. f, 12. /, 119. JLinm Trans, vrii. t, i. /, 7, 



