WORMS. TESTACEA. 38. Tellina. 151 



pressed, finely reticulate : hinge with 2 small central 

 teeth, and broad lateral laminate ones. 



Barbut Shells, t. 3.7. 6. Linn. Trans, viii. t. i.f. 9. 



Shell an inch and a quarter long, a little more broad, yellowish 

 white, with numerous raifed concentric striae crossed by fainter 

 ones : beak fmall, prominent, nearly central, turning a little 

 one way. 



211. T. Radula. Suborbicular, a little convex, rough 

 with numerous sharp concentric striae : hinge with 2 

 teeth is each valve, without lateral ones. 



Montague t. 'i.f. 1.2. Donov. t. 130. Venus borealis. 



Slieil an inch and a half long, nearly as much broad, white, with 

 fometimes rofy bands, with a heart-shaped cavity under the beak,, 

 and a flexuous one at the posterior end : beak central, turning a 

 little to one side. 



212. T. bimaculata. Subtriangular, rounded, faintly stri- 

 ate, with a deep red spot each side the beak: hinge 

 with primary and lateral teeth. 



Donovan t. ig./. i Lister, t. 38 j./. 232. 



Shell half an inch long, 6 lines broad, whitish, with the red fpots 

 deeper on the inside, fometimes marked with a few purple rays : 

 beak a little oblique : teeth large. 



213. T. lactea. Orbicular, thin, convex, irregularly srri- 

 ate, white : hinge with 2 teeth in one valve ana 

 one in the other,, and a deep lateral groove in each 

 valve. 



Montague t. 2./. 4. Petiu. Gaz. t. 93. /. 18. 



Shell 3 quarters of an inch long, about as much broad, with a 

 few irregular wrinkles : beak fmall, oblique. 



214. T. rotundata. Orbicular, rather convex, thin, subpel- 

 lucid, obscurely striate : teeth 2 in each valve, one of 

 them cloven, the other slightly diverging. 



Montague Brit. Shells, p. 71. tab. z.f. 3. 



Shell about an inch wide, white, rather glossy, fometimes a little 

 narrower at one end : beak fmall, oblique. 



215. T . flexuosa. Suborbicular, convex, thin, pellucid, 

 finely striate, with a groove across ending in an 

 indenture in the margin : hinge with an obsolete 

 tooth. 



Donovan Brit. Shells, t. 42. /. 2. Venus sinuosa. 



Shell not half an inch acrofs, white, with a groove from behind 

 the beak running parallel with the cartilage slope and forming a 

 flexure in the margin : beak much produced, oblique : hinge with a 

 groove along the margin. 



216. T. carnaria. Suborbicular, a little produced at one 

 end, pale rosy, striate in a concentric oblique and 

 transverse direction : I hinge with 2 teeth in one 

 valve, one of which is cloven, and one in the other. 



Donovan t. 47. Chemn Conch. 6. f. 13 f. 126. 



Shell above half an inch long, a little more broad, often marked 

 with deeper concentric belts, within rofy, finely striate in 3 di- 

 rections : beak nearly central, rather oblique: hinge with, remote 

 lateral laminate teeth. 



217. T. inequivalvis. Oblong, much produced towards 

 the beak, one valve nearly flat, the other 



hinge with 2 teeth, without lateral ones. 



