70 
BRITISH MOLLUSCA. 
Osteodesma, Desk, in Lamb. 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. 206, 
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. Bont^ea. 
Cochlodesma (Leana), Couthouy, Boston Joarn. N. H. ii. 170, i 
1839 ; Gray, Ann. Nat. Hist. ii. 25, 1840 ; Wiegm. Arch. 1840, i 
216; Gould , Rep. Inv. Mass. 48; Forbes fy Hanley , Brit. 
Moll. i. 235. 
Bontaea, Leach , 1819, m Brown , Illust. Conch. \ 
G. B. 1844. 
Thracia, sp., Leach, MSS. 1818, .dta. iV. H. xx. 1847, 
272; Gray, Ann. Sp Mag. N. H. 1848 ; Loven, Ind. Skand. 
Lignla, sp., Montagu , Test. Brit. Supp. 1808, not Humph. 1797- 
Anatina, sp., Turton, Bivalves ; Conrad, Journ. Acad. Philad. 
Mya, sp., Montagu, T. Brit. 
Amphidesma, sp., Fleming, B. A. 
Spoonhinge or Chama, sp., Petiver. Gazoph. 
1. Bontjea pr^tenuis. 
Mya prsetenuis, 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 prsetenue, Flem. B. A. 432; Thompson, Rep. Brit. 
Assoc. 1843, 263. 
Anatina prsetenuis, 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. H. 1839, ii. 
171 ; Forbes Sp Hanley, Brit. Moll. i. 235. 1. 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. 
