70 
BRITISH MOLLUSCA. 
Osteodesma, Desk, in Larak . Hist. ed. 2. vi. 
Corbulacea, part., Philippi , Moll. Sicil. i. 16, ii. 12. 
Amphidesmitae, part., Latr. Fam. Nat. 221, 1825. 
Lithophagidae, part., Broderip, Penny Mag . ; Sow . Man. 20 6, 
1839. 
Saxicavidae, part., Swainson, Elem. Conch . 1835; Malac. 375, 
1840 (not Gray). 
Saxicavina, part., Agassiz , Nomencl. 
Myina, part . , Milne- Edw . Elem. Zool. 1843; Macgillivray, MolL 
Aberd. 
1. Bontjea. 
Cochlodesma (Leana), Couthouy , Boston Journ. N. H. ii. 170, 
1839 ; Gra^, Nat. Hist. ii. 25, 1840 ; Wiegm. Arch. 1840, 
216; Gould , Rep. Inv. Mass. 48; Forbes Sf Planley, Brit. 
Moll. i. 235. 
Bontaea, Leach, MSS. Brit. Mus. 1819, Brown, Illust. Conch. 
G. B. 1844. 
Thracia, sp., Leach, MSS. 1818, Ann. Sf Mag. N. H. xx. 1847, 
272; Gray, Ann. Sf Mag. N. H. 1848 ; Loven, Ind. Skand. 
Ligula, sp., Montagu, Test. Brit. Supp. 1808, not Humph. 1797. 
Anatina, sp., Turton, Bivalves ; Conrad, Journ. Acad. Philad. 
My a, sp., Montagu, T. Brit. 
Amphidesma, sp., Fleming, B. A. 
Spoonhinge or Cham a, sp., Petiver. Gazoph. 
1. BoNTJEA PRiETENUIS. 
Mya praetenuis, Pulteney, Dorset, 28 ; Dorset Cat . t. 4. f . 7 ; 
Mont. T. BAl. 1. 1. f. 2 ; Linn. Trans, viii. 37 ; Donov. B. S. v. 
1. 176 ; Wood, G. Conch. 94. t. 24. f. 7, 8, 9 ; Cat. t. 2. f. 5 ; 
Turton, Diet. 101; Brit. Faun. 147. no. 185 ; Dillw. R. S. i. 43. 
Amphidesma praetenue, Flem. B. A. 432; Thompson, Rep. Brit. 
Assoc. 1843, 263. 
Anatina praetenuis, Ferussac , Diet . Class. H. N. ; Gray, Ann. 
Phil. 1825 ; Turt. Biv. 48. t. 4. f, 4 ; Macgilliv. Moll. Aberd. 
294 ; Thorpe, Mar. Conch. 43 ; Hanley, Rec. Shells, 23. 
Ligula praetenuis, Mont. Test. Brit. Supp . ; Brown, III. Conch. 
106. t. 42. f. 1; Recluz , Zool. Soc. Cuvier. 1845, 416. 
Cochlodesma praetenue, Couthouy, Boston Journ. N. II. 1839, ii. 
171 ; Forbes 8f Hanley, Brit. Moll. i. 235. t. 15. f. 4. 
Thracia pretenuis, Leach , MSS. 1818, Ann. Sf Mag. N. H. xx. 
272; Loven, I.M. 46. 323. 
Bontaea pretenuis, Leach, MSS. “Brown.” 
Anatina Leana, Conrad, Journ. Acad. N. S. Philad. vi. 263. 
Cochlodesma Leana, Couthouy, Boston Journ. N. H. ii. 170. 
a. Scarborough. 
