LIMN^A 43 



Sub-gen. Leptolimnea, Swainson. 



Etym. : — Gr. Xctttos, slcndor + Limnaja. 



Type : — Limnea elongata, Sow. = Buccinum fjlabrum, Miiller. 



1819. Slagnicola [pars] : Leach, Moll. Brit. Synop. 



(proofs), p. 140. 

 1831. Stagnicola [pars]: Leach, in Turton's Manual, 



p. 122, in synon. [Non Brehm, 1830 



(Aves).] 

 1838. Omphiscola, Rafq. : Beck, Index Moll, p. 110. 



[Non Rafinesque, 1819.] 

 1840. Leptolimnea : Swainson, Treat. Malac, p. 338. 

 1875. Leptolimneus : Sandberger, Land- & Silssio.- 



Conch. Vonvelt, p. 787. 

 1881. Glahriana : Servain, Hist. Malac. Lac Balaton, 



p. 63. 



Sub-gen. Radix, Montfort. 

 Etym. : — Lat. radix, a root. 

 Type : — Helix auricularia, Linne. 



1810. Radix : Montfort, Conch. Syst., ii, p. 266. 



1827. Lutea [pars] : Brown, Illust. Conch. Brit., ed. 1, 



expl. pi. xlvi. 

 1831. GnJnaria : Leach, in Turton's Manual, p. 117, in 



synon. 

 1855. Neritostoma, Klein : H. & A. Adams, Genera 



Moll., ii, p. 253. [Klein was a pre-Linnean 



writer.] 

 1881. Auriculariana : Servain, Hist. Malac. Lac Balaton, 



p. 49. 

 1881. Limosiana : Servain, o. c, p. 52. 

 1881. Peregriana : Servain, o.c, p. 56. 



Sub-gen. Cyclolimnsea, Dall. 



Etym. : — Gr. kvk\o<;, circle + Limnasa. 

 Type ■.—Limncca involuta, Harvey. 



1905. Cyclolimna;a : Dall, Harriman Alaska Exped., 

 xiii, p. 64. 



1. Limnsea (s.s.) stagnalis (Linne). 



Etym. : — Lat. stagnum, pool of stagnant water. 



1758. Helix stagnalis: Linn.^us, Syst. Nat., cd, 10, p. 774, 



no. 612. 

 1758. Helix fragilis : Linn.eus, o. c, no. 613. 

 1767. Helix' stagnalis : Linn.^^.us, o. c, ed. 12, p. 1249, no. 703. 

 1767. Helix fragilis : Linnaeus, o. c, no, 704. 



