P. FERROENSIS. Lam. 2. Tvrt. i?./;.94. t. S.f. 1. 

 P.p. 438. TELLINA F. Gmel. 3235. J5om. . 2./. 

 6. List. t. 394. /. 241. D.j3. 77. Mont. p. 55. 

 Xm. r. 8. j9. 49. Dor. C#. ^. 49. t. 6. /. 1. 

 JFood. . 6'.^). 164. *. 45, /. \.-Turt. C.D.p. 171. 

 Z> Cost. p. 209. #. 14. /. 1. T. TRIFASCIATA. 

 Dow. if. 60. Oblong, compressed, sul>equilatera\, 

 striated, transparent, and decussated on the flattened 

 anterior slope which is subtruncated at its extremity 

 and defined by a slight elevation in both valves ; pale 

 red with paler rays: inside white. I...2. Western 

 and other coasts. 



GENUS. SANGUINOLARIA. 

 Transverse, somewhat oval, slightly gap'ng at the late- 

 ral extremities ; upper margin arched and not 

 parallel to the inferior one : hinge with two ap- 

 proximate teeth in each valve. 

 S. RUGOSA. Lam. 4. S. DEFLORATA. F. p. 461. 

 P<AMMOBIA D. Turt. B. p. 93. VENUS. D. Lin. 

 1133. D.p 186. Ch.f. 79 to 86. E. M. t. 231. 

 f t 3._ Pen. 4. p. 96. t. 57. f. 54. Mont. p. 123. 

 t. 3./. 4. 0. VERsicoLOiiand PURPUREA. Gmel. 

 Ovate-oblong, ventricose, with strong longitudinal and 

 fine transverse wrinkles becoming coarser at the ante- 

 rior end which is generally more or less stained with 



