— 570 — 



I^acuna Turton 1827. Zool. Journ. III. N. 10. p. 190. 

 Etym. Nom. appell. 

 Novum genus Gasteropodum. Typus: Ilelix lacuna 



Monlagu. 

 Rang 1829. Man. p. 200. — Tnrbini injungit. 



Sequitur Desh. 1830. Enc. melh. III. p. 328. 

 Philippi 1836. Wiegm. Arch. I. p. 230. — genus 



adumhrat et sustentat. 

 Sequnntur Gould 1841. Rep. Invert. Massach. p. 262. 



— in Turhin.iccis. 



MiGHELS 1841. Catal. Sh. of Maine. 



MoLLER 1842. Kroyers Naturh. Tidskr. IV. p. 82. 

 et Ind. Moll. grocnl. p. 9. 



MoRRis 1843. Brit. foss. p. 148. 

 SwAiNS. 1840. Malac. p. 346. — genus Naticinarum. 

 G. B. Sow. juM. 1842. Condi. Man. ed. 2a p. 168. 



— genus Turbinaceoruin. 



Macgill. 1843. Moll. A])crd. p. 56. — genus Tur- 



bininorum. 

 Nyst 1846. Coq. foss. Bclg. p. 374. — Trochis injungit. 

 Synon. Cocjilea (sp.) Da Costa. 



Trochus (sp.) Fabric. Gmel. 



Ncrita (sp.) Donov. Mont. 



Turbo (sp.) Monl. Mat.etRack. Flem. (?J. Sow.) 



Helix (sp.) Mont. Maton et Rack. 



Natica (sp.) Fleming. (? Goldl". D'Orb.) 

 ? Euspira (sp.) Agassiz. 

 ? Littorina (sp.) J. de C. Sow. 

 I^adat!! Camr. 1841. Mal. medit. I. p. 37. 

 Etym. Audag , nom. propr. 

 Primum genus Atlantidarum. Typus: Atlanta Kerau- 



drenii Les. 

 Philippi 1844. Moll. Sic. U. p. 205. — genus Hete- 



ropodum. 

 FoRBEs 1844. Moll. Aeg. Sea p. 132. — in Nucleo- 



branchiatis. 

 = Ilelicophlegma D'Orb. 



