52 
BRITISH MOLLUSCA. 
Var. Narrowed in front . — Forbes dp Hanley, l, c. t. 3. f. 3. 
a— d. Britain. 
e — i. Ditto. 
Jc. Ditto* in situ. Presented by Mrs. Robinson. 
l~~p (var. narrowed in front). Britain. 
q (old). Devonshire. Presented by Mrs. Robinson. 
3. Pholadidea. 
Pholadidea* “ Leach ,” in Blainv. Diet. Sci. Nat. xxxix. 532 ; 
Goodall, in Turton, Conch. Diet. ; Desh. Elem. Conch. 75 ; 
Forbes dp Hanley, Brit. Moll. 123* 1848. 
Pholidea* Swainson, Elem. Conch. 1835. 
Pholidsea* “Leach,” Swainson, Malac. 1840. 
1. Pholadidea papyracea. 
Pholas papyracea ( Solander )* Turton, Biv. 2. t. 1. f. 1, 2, 3, 4; 
Brown, 111. Conch, t. 8. f. 4, 6, 7, 9; Thorpe, B. Mar. Conch. 
29 ; Sow. Gen. f. 3 ; Conch. Man. f. 56 ; Reeve, Conch. Syst. 
t. 24. f. 3; Mawe, Conch, t. 3. f. 5; Wood, Cat. Supp . t. 1. 
f. 1 . 
Pholadidea Loscoxnbiana, Goodall , in Turt. Conch. Diet. 147. 
Pholas (Pholadidoidea) striata* Blainv. Man. Malac. 578. t. 81. 
f. 7. 
Pholadidea Goodallii* Blainv. D. S. N. xxxvii. 532. 
Pholas striata* Griffith, A. K. t. 8. f. 4. 
Pholadidea papyracea* Forbes dp Hanley, Brit. Moll. i. 123. t. 5. 
f. 3* 4, 5, 6; t. 2. f. 1 ; t. F. f. 4* animal. 
Young. Open in front, and without hinder appendages. 
Pholas lamellata* Turton, Biv. 5. 1. 1. f. 5* 6; Flem. B. A. 456; 
Brown, III. Conch. 114. t. 49. f. 10* 11; Wood * Cat. Supp. 1. 1. 
f. 3. 
Var. Small. — Forbes dp Hanley, Brit. Moll. t. 2. f. 1. 
j” Group in situ . Britain. Presented by Mrs. Robinson. 
c * d. Exmouth. 
e — h. Britain. Presented by Mrs. Robinson. 
i,j. Teignmouth. Presented by J. B. Harvey* Esq. 
2. Pholadidea sulcata. 
Pholas sulcata* Brown, III. Conch. G. B. t. 9. f. 17, 18; Forbes 
dp Hanley, Brit. Moll. i. 128* note. 
Pholas vibonensis* Philippi, Moll. Sicil. ii. 4. t. 13. f. 5. 
Inhab. Dunbar. 
