— 119 — 



jlVeritina Lamck. contin. 



4) Spinosae — Clithon Montf. 



5) Pictae, testa ovato-globosa, ut N. virginea 

 Linn. 



6) Ovales, spira laterali — Theodoxus Montf. 

 MoRELET 1845. Moll. du Port. p. 92. 



RossMASSL. 1835. Icon. 11. p. 16. 



Gray 1840. Turt. Man. ed. 2a p. 80. — genus Ne- 



ritidarum. 



Pariter Thomps. 1840. Moll. of Irel. p. 2. 

 SwAiNS. 1840. Malac. p. 347. — genus Neritinarum. 



Subgenera : Neritina (= sect. Pictae Mke.), Cli- 



thon, Velates, Pileolus, Navicella. 

 MoRRis 1843. Brit. foss. p. 154. 

 Synon. Cochlea fluviatilis (sp.) List. 



Nerita (sp.) Aldrov. D'Argenv. Linn. Blainv. Rang. 

 Desh. etc. 



Valvata (sp.) Rumph. 



Nerita Gualt. tab. 4. 



Urceus (sp.) et Dontostoma (sp.) Klein. 



Cochlea valvata s. semilunaris (sp.) D'Arg. 



Patella (sp.) Linn. Gmel. Dillw. 



Lepas (sp.) Martini. 



Catillus et Neritella Humphr. 



Clithon, Velates et Theodoxus Montf. 



Neretina Fiem. err. typ. 



Clilon et Nerij)teron Lesson. 



Elea Ziegl. 



]%>ritiiia Milne-Edwards 1843. (?) li^lem. zool. * > Conch. 

 Text-book ed. VI. p. 195. 

 Familia Pectinibranchiatorum. 

 = Neritacea Lamck. 

 IVeritinae SwAi^s. 1840. p. 346. 



Etym. Nerita. (Neritoidae corr. Agass.) 

 Subfamilia Naticidarum. Genera: Nerita , (? Neri- 

 topsis), Neritina. 



