LIST OF BRITISH MOLLUSCA. 
1. CONCHIFERA. 
Mollusca subsilientia, Poll, Test. Sicil. 1791. 
Moll, acephales Conchyliferes, Lamk. Syst. 136 (1801). 
Conchifera, Lamk. Hist. v. 411, ed. 2. v. 1; Fleming, Phil. Zool.; 
Gray, Syn . B.M. 1840, 1842, 72; Proc. Zool. Soc. 1848, 183. 
Acephala testacea, part., Cuvier, Tabl. Elem. 1789 ; Anat. Comp. 
1800; Diet. Sci. Nat. i. 131, 1804 ; Fleming, B.A. 225. 
Acephales Testaces, part., Lamk. Extr. du Cour. 104 (1812). 
Acephalsea conchifera, Lamk. Syst. 105, 1801 ; Phil. Zool. 317, 
1809. 
Conchophora, Gray, Med. Repos. 1821, 236. 
Acephalaea, Lamk. Extr. du Cour. 1812 ; Desh. E.M. iii. 553. 
Lamellibranchiata, Blainv. 
Acephalia Bivalvia, Rafin. Anal. Nat. 1815, 146. 
Acephales Testacees Lamellibranches, Rang, Man. Mol. 272, 
Acephala elaterobranchia, Menke, Syn. 97, 1830; Alton, Verz. 
Conch. 12, 1839. 
Gualtierii ( Testacea ) Bivalviae ( Concha ), Scopoli, Introd. Hist. 
Nat. 386, 396, 1777. 
Bivalves, Megerle, Berl. Mag. 1811. 
Endocephala, part., Latr. Fam. Nat. 203, 1825. 
Pelecypoda, Goldfuss, Handh. Zool. i. 599. 
Therozoa acephala, Eichw. Zool. Spec. i. 277* 
Acephalophora, part., Blainv. Prod. 1814; Diet. Sci. Nat.xxx ii. 
Malac. 508. 
Acephalaeoda, Fischer. 
Elatobranchia, Menke, Syn. ed. 2. 97, 1830. 
Elatobranchiata, Menke, Syn. 57, 1828. 
Conchifera (Orthoconchse et Pleuroconchse), D’Orb. Pal. Fran , 
Terr. Cret. iii. 1843. 
Conchae, Leach in Ross Voy. Baffin's Bay, ii. 174, 1819. 
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