SYNONYMY OF THE BRITISH 

 NON-MARINE MOLLUSCA 



Class: GASTROPODA. 



(Sub-class : Streptoneura.) 

 Order : ASPIDOBRANCHIA. 



(Sub-order : RHIPIDOGLOSSA.) 



Fam.: NERITID^. 



Genus : 1. THEODOXUS, Montfort. 



Etym. : — Gr. (9eos + So^a, glory of the Creator. 



Type : — Theodoxus lutctianus, Moutfort = Nerita fluviatilis, 



Linnaeus. 

 {Nerita, vett. auctt.) 



1806. Neritarius [pars] : Froriep, ia Dumerirs Analyt. ZooL, 



pp. 165 & 339. 

 1810. Theodoxus: Montfort, Conch. Syst., ii, p. 351. [By 



error under figure on p. 350, Theodoxis.] 



1815. Laphrostonia : Rafinesque, Analyse Nature, p. 144. 



1816. Neritina : Lamarck, Tabl. Encyclop. <& Method., Vers, 



iii, pi. cccclv, and Liste des Objels representes, 

 p. 11. [The usual reference to Phil. ZooL, 

 1809, is incorrect, the name only occurs there 

 in the vernacular, " Neritine."] 



1833. Elea : Ziegler, in Fitziuger, Beitr. Landesk. Oesterr., 

 iii, p. 116 in synon. 



1848. Chernites : Gistel, Naturg. Thierreichsf. Schulen, p. 168. 



1854. Neritella, Humphrey : H. & A. Adams, Genera Moll., i, 

 p. 380. [Humphrey's Mus. Calonn. is not 

 accepted for nomenclatorial purposes.] 



1854. Lamprostoma [err. pro Laphrostonia], Rafin. : H. & A. 

 Adams, Genera Moll., i, p. 381. [No7i 

 Lamprostoma, Swainson, 1840. J 



N.-M. MOLL. B 



