178 TELLINA. TELLEN. 



with two small teeth in one valve, one of them cloven ; in 

 the other valve a single tooth. 



Dorset and Cornish coasts, and the west of Ireland : 

 rare. v. m. 



26. Tellina bimaculata. Double-spotted Tellen. 

 Donovan, pi. 19. f. IWood, pi. 45. f. 6, 7 Dorset 



Cat. pi. 5. f. 7. 



Shell somewhat orbicular, a little produced and narrowed 

 at one end, the other end very slightly angular, semitrans- 

 parent, with fine irregular concentric striae : color white, 

 with two oblong scarlet spots withinside, one on each side 

 the hinge, which reach about half way to the front margin, 

 and are generally visible in a fainter manner on the out- 

 side : hinge with two strong central teeth, and large 

 remote lateral ones : length half an inch 3 breadth five- 

 eighths. 



Variety A. Of an uniform deep purple color inside and 

 out. 



Variety B. With chain-like rays of arrow-shaped purple 

 spots, and without the red marks. 



On the Dorset coast : very rare. v. m. 



27. Tellina pisiformis. Pea Tellen. 

 Cardium discors. Montagu, p. 84. 



Shell nearly globular, rounded, glossy white, with nu- 

 merous very minute oblique transverse stria?, which on the 

 anterior side are reflected upwards, and form aA acute an- 

 gle : beaks small, central, inclining a little to one side : 

 inside glossy white, with the margin plain : hinge with a 

 single plain tooth in one valve, locking between two in the 

 other, one of which is very small ; the lateral ones remote 

 and prominent : length five eighths of an inch ; breadth a 

 quarter. 



One dead specimen only has been found, by Montagu, in 

 Falmouth harbour. 



28. Tellina divaricata. Arched Tellen. 

 Lister, pi. 301. f. 142. 



Cardium arcuatum. Montagu, pi. 3. f. 2. 

 Shell orbicular, rather convex, very slightly flexuous on 



the 



