t POMATIID^ 



First recorded as British in 1678, by M. Lister (Hist. 



Anim. Angl, p. 136, pi. ii, f. 20). 

 British Distribution in Time : Holocene and Recent. 



2. tTheodoxus Cantianus, Kennard & Woodward. 

 Etym. : — Lat. Cantiuni, the county of Kent. 



190U. NerUina Jluvialilis : Stoves, Journ. Anthrop. Inst., xx'ix, 



p. 302. [Non Linne.] 

 1903. Neritina ijrateloujpiana, Fer. : Kennard & Woodward, 



Proc. Malac. Soc. Lond., v, p. 320 [on the 



identification of Dr. 0. Boettger]. [Non 



Ferussac] 

 1911. Theodoxis crenulatiis, Klein ; Kennard & Woodward, 



List of British Non-marine Moll., pp. 4 & 11 



[on later advice from Dr. Boettger]. [Non 



Klein.] 

 1924. Theodoxus cantianus, n. sp. : Kennard & Woodward, 



Proc. Malac. Soc. Lond., xvi, p. 130, figs. 



First recorded as British in 1900, by H. Stopcs, as Neritina 



fluviatilis. (Sec ref. above.) 

 British Distribution in Time : Pleistocene. 



Order: PEGTINIBRANCIIIA. 

 (Sub-order : T.ENIOGLOSSA.) 



Fam. : POMATIID^. 



Genus : 1. POMATIAS, Studer. 



Etym. : — Gr. Trw/xa, a lid. 

 Type : — Nerita cle/jans, Miiller. 

 (Nerita, Turbo, Cyclostoma, vett. auctt.) 



1789. Pomatias : Studer, in Coxe, Trav. in Switzerld., iii, 



p. 388. 

 1801. Cyclostoma [pars] : Draparnaud, Tahl. Moll. France, 



p. 37. 

 1810. Cyclostomus : Montfort, Conchyl. Syst., ii, p. 287. 

 1830. Cochlocycla, subg. 2 of Cyclostoma : Jan, Co)ispcct. 



Method. Test., p. 6. 



1847. Licina, Brown[e], subg. of Cyclostoma : Beck, Amtl. 



Ber. 24. Versamml. Deutsch. Naturf., 1846 

 (1847), p. 123. 



1848. Ericia, Moq. MS., subg. 3 of Cyclostoma : Partiot, Mem. 



s. Cyclostomes, p. 24. 

 1904. Ericia [as a genus] : Kobelt, in Rossmiissler, Icon., 

 N.F. X, p. 71. 



