BRITISH MOLLUSCA. 
157 
Mactra dealbata, Pultn. Hutchins’ Hist. Dors. 31; Mont. Test. 
Brit. 95. t. 5. f. 1; Linn. Trans, viii. 68. t. 1. f. 10; Dorset 
Cat. 32. t. 7- f . 7 ; Turt. Conch. Diet. 80; Brit. Faun. 154. 
no. 242 ; Flem. B. An. 428 ; Brown , IZZ. C. G. B. 107. t. 41. 
f. 8, 9. 
Mactra Braziliana, Lamk. A. s. V. ed. 2. vi. 106 ; Hanley, Bee . 
Shells, 31 ; t. 10. f. 60. 
Spisula fragilis, Gray, Loud. Mag. N. H. i. 374, 1837. 
Inhab. America. Introduced by Dr. Pulteney as a native of 
Dorset. 
a. “ Firth of Forth.” Mus. Laskey. 
15. Paphia cornea 
Mactra cornea, Poli, Test. Sic. ii. t. 19. f. 8-11. 
Donax plebeia, Pulteney, Hutchins’ Dorset, 32 ; Mont. T. B. 107. 
t. 5. f. 2 ; Dorset Cat. 34. t. 5. f. 13 ; Turt. Conch. Diet. 42 ; 
Brit. Biv. 126 ; Brit. Faun. 156. no. 253 ; Flem. Brit. An. 434 ; 
Dillw. Rec. Shells, i. 152 ; Ind. Test. t. 6, Donax, f. 9. 
Erycina plebeia, Sow. Gen. Shells, Erycina, f. 3; Conch. Man. 
f. 86. 
Mesodesma Donacilla, Desh. Lamk. Hist. 2nd edit. vi. 133; 
Thorpe, Brit. Mar. Conch. 53 ; Reeve, Conch. Syst. t. 45. f. 5 ; 
Hanley, Rec. Shells, 39; Supp. t. 11. f. 41 ; Philippi, Moll. 
Sic. ii. 29; Desh. Exp. Sc. Alger. Moll. t. 39-42, shell & animal. 
Amphidesma Donacilla, Lamk. Hist. ed. 2. vi. 126. 
Donacilla Lamarckii, Philippi, Moll. Sic. i. 37. 
Tellina variegata y, Gmel. 3237= Lister, t. 389. f. 288. 
Peronsea ramosa=Peron8eoderma cornea, Poli, ii. 252, 258. 
Mesodesma cornea, Forbes fy Hanley, Brit. Moll. i. 348. 
Inhab. Mediterranean. Introduced by Dr. Pulteney as taken at 
Weymouth. 
a — e, odd valves. Britain.” Mus. Mont, from Mus. Pul- 
teney. 
16. Paphia deaurata. 
Mactra deaurata, Turt. Brit. Biv. 71. t. 5. f. 8 ; Flem. B. An. 4 27. 
Mesodesma deauratum, Thorpe, Brit. Mar. Conch. 53 ; Hanley, 
Rec. Shells, 39 ; Supp. t. 1, Mactra, f. 9 ; Forbes Sc Hanley, 
Brit. Moll. i. 346. 
Mactra denticulata, Gray, in Wood’s Ind. Test. Supp. 1. 1, Mac- 
tra, f. 9. 
Erycina denticulata. Gray, Ann. Philos. 1 825 ; Griff. A.K.t. 22. f. 2. 
Mesodesma Jauresii, De Joannis, Mag. Zool. 1834, Moll. t. 54 ; 
Gould, Invert. Mass. 58. f. 38; Dekay, New York Moll. 231. 
Inhab. N. America, mouth of the St. Lawrence. Introduced by 
Turt on as dredged off Exmouth. 
