An T. BRAZILIANA . Lam.? Oval, with crowded 

 concentric striae, anteriorly shorter and attenuated, thin, 

 semitransparent, white, with a pale red longitudinal 

 stripe down the rounded side: beaks straight and 

 pointed : hinge with two cardinal, one cloven, and a 

 lateral laminar tooth on each side in one valve, in the 

 other but a single cloven cardinal tooth. $...$. 

 Teignmouth. 



T. PUNICEA. Gmel. 3239.~-Z>._p. 90. Lam. 21. 

 P.p. 435. Pen. 4. p. 179. Lin. T. 8. p. 50. 

 Dor. Cat. p. 30. t. 7.f. 5. Wood. G. C. p. 170. t. 

 39. f. \.-Turt. C. D. p. 171. Born. t. 2. /. 2. 

 E. M. t. 29 1./. 2.Ch.f. 1654,5. T. LCETA. Mont, 

 p. 57. T. INEQUISTRIATA. Don. 4. p. 123. Elon- 

 gated oval, subinequilateral, slightly angulated and in- 

 flected at the shorter anterior end, rather thin, paler or 

 darker crimson, usually with paler unequal bands, 

 deeply striated transversely ; one of the cardinal teeth 

 bifid, the single lateral in each of its valves contiguous 

 broad and oblique. l...l,16. 



T. FABULA. Gmel. 3239. D. p. 92. Lam. 24. 

 Don. t. 97. Mont. p. 61. Pen. 4. p. \79.-Lm.. 

 T. p. 62. Dor. Cat. p. 30. t. 12. /. 3. and 3\. 

 Wood G. C. p. 156. t. 45. /. ^Turt. C. D.p. 



