— 586 ~ 



lieucocliroa Beck. contin. 



Subgenus Helicis e sectione intus marginatarum. 



Typus: Helix albella Linn. 

 Synoji. Trochus (spec.) Chemn. 



Carocolla (sp.) Lamck. Gray. Phil. olim. 



Hclicigona (sp.) Feruss. 



Helicogena (sp.) Feruss. 



Helicella sect. Hehomanes (sp.) Feruss. 



Hehcella (sp.) Risso. 



Anomalia JMiihlf. 



lieiiconia Gray 1840. Turt. Man. ed. 2a p. 227. 

 Etym. Aevy.cov, nom. propr. 



Subgenus Conovuli. Typus: Voluta bidentata Mont. 

 Synon. Voluta (sp.) Mont. 



Auricula (sp.) Feruss. Gray olim. Jeffr. Forb. 



Acteon (sp.) Fleming. 



Volvaria (sp.) Flem. 



lieucoi^oiua Swains. 1840. Mahic. p. 172. 336. Cf. Sow. 



jun. Conch. JMan. ed. 2a p. 172. 

 Etym. Xsvxog, alltusj oTOfta, apertura. **) 

 Subgenus Achatinae, an potius Melanopsi subjun- 



gendum? 



lieiicotls SwAiNSON 1840. Malac. p. 346. Cf Leucotus 

 Sow. jun. Conch. Man. ed. 2a p. 172. 

 Eiym. Isvxog, albus; ovg, auris. 

 Genus Naticinarum. 

 = Merria Gray. 

 lieucotiis G. C. Sow. jun. vid. Leucotis. 

 liihera De Haa?^ 1825. Monogr. Amm. * 

 Etym. Nom. adject. 



Altera sectio Cephalopodum. Genera: Octopus, Ar- 

 gonauta. 

 = Octopoda Leach. 



84) Leucostoma Meigen (1803.) genus Dipterorum. 



