— 124 — 



HTotarcltiis Cuv. contin. 



Synon, Busiris Risso. 

 ? Aclesia Rang. 



IVotobranchia Gray 1821. Lond. Med, Repos. * 

 Etym. vcoTog, tergumj ^Qccyxicc, branchiae. 

 Cryptobranchiorum ordo quartus. Genera: Aplysia, 

 Bulla. 

 = Tectibranchiata Cuv. 

 HTotoptycha Agass. 1 837 in Charpent. Catal. Moll. Suiss. * 

 et 1346. Nom. zool. 

 Etym. vwTog, tergum^ nTvp], plica. 

 Pulmonatorum genus? 



HTotrema Rafin. olim 1819. Amer. Monthly Magaz. * et 

 Journ. de phys. tom. 88. p. 427. 

 Etym. Vocab. mutil. : vwrog, tergum; TQi]f.ia, fo- 



ramen. 

 Genus molluscorum summopere dubium. 

 Blainv. 1824. Dict. sc. nat. tom. .32. p. 297. et 1825. 



Mal. p. 508. — genus Calyptraceorum. 

 Rang 1829. Man. p. 244. — genus Capulorum. 

 = Tremesia Rafin. 



IVovacitlina Benson 1830. Gleanings in Science. Febr. N. 



14. p. 63. * et 1834. Zool. Journ. V. N. 20. p. 



464. et 1839. Malac. and Conch. Mag. II. p. 48. 

 Etym. Novacula. 

 Novum genus Solenacearum fluviatile, secundum 



Gray (1835. Phil. Trans. p. 309.) a Solene om- 



nino non differens. 

 Swainson 1840. Mal. p. 365. — genus Soleninarum. 

 G. B. Sow. jun. 1842. Conch. Man. ed. 2a p. 203. 



— genus Solenaceorum. 



Wubecula Klein 1753. Ostrac. p. 76. 

 Etym. Nom. app. 



Genus Volutarum longarum, Conos quosdam com- 

 plectens. 



