86 
BRITISH MOLLUSCA. 
Mactra squamosa, Gray , Ann. Phil. 1825. 
Psammobia punctura. Brown , III. C. G. B. t. 16. f. 7. 
Lutraria squamosa, Hanley, Rec. Shells , i. 28, Supp. t. 9. f. 47- 
Lepton squammeux, Chenu, Traite Elem. 4 7- f. 148. 
a. Weymouth. 
2. Lepton nitidum. 
Lepton nitidum, Turton, Biv. 63 ; Flem. Brit. An. 429 ; Thorpe, 
Brit. Mar. Conch. 49 ; Macgilliv. Moll. Aherd. 278 ; Brown, 
III. Conch. G.B. 111. 
Lepton squamosum jun. ?, Jeffreys, Ann. N. H. xx. 19. 
Kellia nitida, Forbes Sf Hanley, Brit. Moll. ii. 92. t, 36. f. 3, 4. 
Inhab. Torbay, Turton. Bantry Bay, Lyons. Island of Skye, 
Jeffreys. 
3. Lepton convexum. 
Lepton convexum, Alder, Cat. North, 8f Durh. Moll. 93 ; Forbes 
Sf Hanley, Brit. Moll. ii. 102. t. 36. f. 10. 
Inhab. Cullercoats, Alder. Bantry Bay, M‘ Andrew. 
Fam. 12. Saxicavid^e. 
Saxicavidse, Gray, Syn. B.M. 1840; 1842, 79, 91; Proc. Zool. 
Soc. 1848, 193 ; Rev. Zool. 1844, 408. 
Saxicavidse, part., Swainson, Elem. Conch. 1835; Malac. 3/5, 
1840. 
Les Lithophages and Les Cardiacees, part., Lamk. Cour. 106, 
1812. 
Les Lithophages, part., and Les Cardiacees, part., Lamk. Hist. v. 
501, vi. 29, ed. 2. vi. 147, 385. 
Pyloridea, part., Blainv. Diet. Sc. Nat . ; Rang, Man. Moll. 322. 
Gastrochsenidse, part., Forbes Sf Hanley, Brit. Moll. i. 136, 1848. 
Solenacese, part., Lamk. Phil. Zool. 1809. 
Pholadiadse, part., Leach, MSS. 1818, Ann. 8f Mag. N.H. xx. 272. 
Pholidaria, part., Rqfin. Anal. Nat. 1815. 
Solenacea, part., Alton, Verz. Conch. 12. 
Pholades, part., Feruss. Prod. 45. 
Lithophaga, part., Menke, Syn. 118. 
Solenina, part., Macgilliv. Moll. Aberd. 21 7- 
Saxieavina, part., Agassiz, Nomencl. 
Pholadidae ?, part., Leach, Ross’s Voy. Baffin’s Bay , 174, 1819. 
Biapholus, Leach, MSS. 1818, Ann. Sf Mag. N. H. xx. 1847, 272. 
1. Saxicava. 
Saxicava, Fleuriau de Bellevue, Bull. Soc. Philom. no. 62, 1802; 
Journ. Phys. liv. ; Schweiger, Naturg. 700, 1820; Blainv. 
