52 
BRITISH MOLLUSCA. 
Var. Narrowed in front. — Forbes Sf Hanley , l. c. t. 3. f. 3. 
a — d. Britain. 
e — i. Ditto. 
j, k. Ditto, in situ. Presented by Mrs. Robinson. 
I — 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 Sf 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, III. 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 Loscombiana, 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 Sf 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. 
Yar. Small. — Forbes Sf Hanley t Brit. Moll. t. 2. f. 1. 
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 
Sf Hanley, Brit. Moll. i. 128, note. 
Pholas vibonensis, Philippi, Moll. Sicil. ii. 4. t. 13. f. 5. 
Inhab. Dunbar. 
