oti 
BRITISH MOLLUSCA. 
Biapholus rugosus, Leach , MSS. 1818, Ann. 8c Mag. N. H. xx. 
272 . 
Sax. gallicana, Lamk. Hist. ed. 2. vi. 152; Deless. Rec. t. 4. f. 9 ; 
Desk. Elem. Conch, t. 12. f. 1-3 ; Hanley, Rec. Shells, Supp. 
t« 9. fi 5. 
Sax. Pholadis, Lamk. Hist. ed. 2. vi. 152 ; Turton, Dithyra Brit. 
21. t. 2. f. 11; Hanley, Rec. Shells, 50. 
Mya rustica, Brocchi. 
Sax. rustica, Bronn. 
Saxicava distorta, Say ; Gould, Invert. Mass. 61. f. 40. 
Byssomya pholadis, Bowdich, Bivalves, f. 43. 
Byssomia ( ), Cuvier, R. A.; Rang, Man. Moll. 334. 
Hiatella oblonga, jun., Turton, Dithyra Brit. 25. t. 2. f. 13. 
Rhomboides (rugosus), Blainv. Man. Malac.i Rang, Man. Moll. 
335. 
Saxicave ridee, Chenu, Trait. Elem. 58. f. 197, 198. 
List. Ang. t. 4. f. 21; Conch, t. 426. f. 267. 
a — s. Britain. 
t — v. Ditto. Presented by Mrs. Robinson. 
w, group in situ. Falmouth. Presented by W. P. Cocks, FiSq. 
x, jun. Ilfracombe. Presented by J. E. Gray, Esq. 
Var. 
Saxicava, n. s. ?, Forbes 8f Hanley, Brit. Moll. i. 149. t. 6. f. 1-3. 
Inhab. Isle of Wight, Hanley . 
2. Hiatella. 
Hiatella, Daudin, Rec. Mem. Moll. Paris, 1800, fy in Bose, Hist. 
Nat. Coq. iii. 120, 1802 ; Roissy, Moll. vi. 385, 1805; Lamk. 
Extr. Cour. 1812; Hist. v. 29, ed. 2. vi. 442; Cuvier, R. A. 
iii. 181 7 ; Blainv. Malac. 573 ; Rang, Man. 335, 1829 ; Gray, 
Rev. Zool. 1846, 419 ; Turton, Bivalves, 24. 
Hyatella, Feruss. Prod. 45; D’Orb.; Desh. E. M. iii. 271, 552. 
Didonta, Schum. Essai, 125, 1817. 
Diodonta, Herrmannsen, Ind. 388. 
Pholeobia, sp.. Brown, III. Conch. G. B. 
Saxicava, part., Sow. Man. ed. 2. 176; Philippi, Sicil. i. 20. 
Biapholus, sp., Leach, MSS. 1818, Ann. fy Mag. N. H. xx. 272. 
Solen, sp., Linn. S.N. 1114; Lamk. Hist. v. 453, ed. 2.vi. 57; 
Spengler, Skrivt. N. S. 
Cardita, sp., Brug. Ency. Meth. 
Donax, sp., Poli, Test. Sicil. 
Anatina, sp., Turton, Bivalves. 
Rhomboides, part., Blainv. Malac. 573. 
Biapholus (minutus), Leach , Ross's Arctic Voy. 
