BRITISH MOLLUSCA. 
46 
1. Trigonella plana. 
Trigonella plana. Da Costa , Brit. Conch. 200. t. 13. f. 1 ; Desk. 
Exp. Sc. Algerie , Moll. t. 44-64 (shell, animal and anatomy). 
Mactra piperata, Gmel. Syst. Nat. 3261 ; Dillw. Recent Shells, i. 
M2. 
Lutraria piperata, LamJc. Hist. 2nd ed. vi. 92 ; Philippi, Moll . 
Sic. i. 9; Chenu, Illust. Conchyl. Lutraria, 1. 1. f. 1. 
Scrobicularia piperata, Philippi, l. c. ii. 8 ; Forbes, Mem. Geol. 
Surv. i. 409. 16; Forbes £f Hanley, Brit . Moll. i. 326. t. 15. 
f. 5, t. K. f. 6 (animal). 
Mactra eompressa, Soland. ; Pulteney Hutchins’ Dors. 31 ; Mont. 
T. B. 96 & 560. 
Lutraria eompressa, Lamlc. Hist. 2nd ed. vi. 91 ; Brown, III. 
Conch. G.B.t. 12. f. 4, 2nd ed. 109. t. 43. f. 4 ; Crouch, Introd. 
Conch, t. 4. f. 3; Hanley, Recent Shells, 27 ; Chenu, III. 
Conch. Lutraria, t. 1. f, 7* 
Listera eompressa, Turt. Biv. 51. t. 5. f . 1,2; Thorpe, Brit. Mar. 
Conch. 45. 
Amphidesma eompressa, Flem. B. A. 
A. transversum. Say, Amer. Conch, t. 28. mid. jig. (fide Recluz). 
Tellina plana, Donov. B. S. ii. t. 64. f. 1. 
Mya Gaditana, Gmel. 3221. 
Lutricola eompressa, Blainv. Malac. 77- f. 2. 
Solen callosus, Olivi. 
Mya hispanica, Chemn. C. Cab. vi. 31. t. 3. f. 21. 
M. orbiculata, Spengler. 
Venus borealis, Penn. B. Z. ed. 4. iv. 82 (Tellina crassa) t. 48. 
f. 28 (not Linn.). 
Mactra Listeri, Gmel. 3261 —List. Hist. Conch, t. 253. f. 88; 
Ang. t. 4. f. 23; Linn. Trans, viii. 71; Dorset Cat. 33. t. 7. 
f. 1 ; Turt. Conch. Diet. 83 ; Ind. Test. t. 6. Mactra, f. 25 ; 
Penn. B. Z. ed. 1812, iv. 194. no. 7 (Tellina crassa, t. 51. f. 1). 
Lutraria Listeri, S. Wood; Macgilliv. Moll. Aberd. 291. 
Abra Listeri, Leach, 1819; Ann. Sf Mag. N. H. xx. 272, 1847. 
Abra fragilis, “Leach;” Risso , Europ. Merid. iv. 370. 
Lavignon Calcinella, Recluz, III. Conch. Lavigno, 8. 
Young?? Amphidesma truncatum, Brown, III. Conch. G.B. 106. 
t. 42. f. 4. 
Syndosmya truncatus, Recluz, Rev. Zool. 1843, 368, from Brown’s 
figure. 
? Tellina pellucida. Brown, III. Conch. G. B.jide Forbes and Han- 
ley, Brit. Moll. i. 345 note, 
a — c. Northumberland. 
d, e. Wyvanhoe, Essex. 
f—q- Plymouth. 
