160 
BRITISH MOLLUSCA. 
Pholas lignorum, Spengler, Beschaft. Berl. Ges. Nat. iv. t. 5 
f. 1-5. 
Pholas clavata, Lamk . Hist. ed. 2. 46 (not var. c.) : Encyc. Meth. 
t. 170. f. 1, 2, 3; Hanley , Bee. Shells, 7. 
a—c . “ Devonshire. 55 Presented by Mrs. Robinson. 
d (in situ). Ditto. Ditto. 
e, f. C( Teignmouth. 55 Presented by J. B. Harvey, Esq. 
24. ? Pholadidea sulcata. 
Pholas sulcata, Brown, III. Conch. G. B. 115. t. 48. f. 17, 18; 
Forbes fy Hanley, Brit. Moll. i. 128. 
Inhab. — — ? A single valve, found at Dunbar; Brown. 
25. Teredo bipennata. 
Teredo bipennata, Turt. Conch. Diet. 184. f. 38-40, Brit. Biv. 
15; Flem. B. A. 454 ; Thorpe, Brit. Mar. Conch. 28 ; Brown, 
III. C. G. B. 116; Gray, Phil. Mag . 1827, 411 ; Hanley, Bee. 
Shells, 4; Supp. t. 9. f. 51; Forbes & Hanley, Brit. Moll. i. 
80. t. 4. f. 9-11. 
T. navalis ?, Spengler, Skrivt. Nat. Selsk. ii. pt. 1. t. 2. f. 1-3 a. 
Inhab. Sumatra. In drift wood at Scarborough, Bean ; Ireland, 
W. Thompson; Ball. British Channel, Bulwer. 
a. “ Britain. 55 Presented by Mrs. Robinson. 
26. Macha divisa. 
Solen divisus, Speng. Skrivt. Nat. Selsk. iii. 96, 1794; 0. Fab. 
Skrivt. Nat. Selsk. iv. 1. 10. f. 11, 12. 
Solen bidens, Chemn. Conch. xi. 203. 1. 198. f. 1939, 1795 ; Han- 
ley, B. S. 16. 
Solen fragilis, Pulteney, Hutchins 5 Dorset, 28, 1799; Mont. T. B. 
51, 565; Supp. 26; Dorset Cat. 29. t. 4. f. 5 ; Turton, Diet. 
163; Flem. B. A. 460; Wood, Conch. 126. t. 29. f. 4, 5; Ind. 
Test. t. 3, Solen, f. 11; Dillw. Bee. Shells, i. 65; Thorpe, B. 
Mar . Conch. 37 ; Gould, Invert. Mass. 31 ; Conrad, Amer. Mar. 
Conch, t. 4. 
Psammobia tseniata, Turt. Biv. 85. 
Solen centralis. Say, Journ. Acad. Sci. Phil. ii. 316. 
Solenocurtus bidens, Forbes fy Hanley, Brit . Moll. i. 265. 
Inhab. West Indies. Introduced by Dr. Pulteney as found in 
Dorsetshire. 
27. Macha gibba. 
Lister, Conch, t. 421, f. 265. 
Solen gibbus, Spengler, Skrivt. Nat. Selsk. iii. 104, 1794. 
Solen declivis, Turton, Conch. Diet. 164. t. 22. f. 80(1819); 
Flem. B. A. 460; Thorpe, Mar. Conch. 37. 
