— 419 — 



Elysia Risso. contin. 



Pariter Blainv. 1824. Dict. sc. nat. tom. 32. p. 266. 

 el 1825. Malac. p. 474. 

 Philippi 1844. 3loIl. Sic. II. p. 100. 

 Cantraine 1841. >!alac. medit. p. 65. — unicum 

 genus Placobranchidarum. 

 = Actaeon Oken. 

 Eiuargiiiiila Lamck. 1801. Syst. an. p. 69. et Ann. du Mus. 

 I. p. 384. (ed. Gcrm. p. 250.) 

 Etym. Emargino. 

 Novum genus Unilocularium non spiralium. Typus: 



Patella Hssura Linn. 

 RoissY 1805. Moll. V. p. 231. — genus Conivalvium. 

 Lamck. I8i(9. Phil. zool. — in Phyllidianis. 

 Lamck. 1812. Extr. (Kun Cours. * et 1822. Hist. nat. 

 VI. 2. p. 5. (ed. 2a VII. p. 580.) — in Calyptraceis. 

 Pariter G. B. Sow. jun. 1842. Conch. Man. ed. 

 2a p. 143. 

 J. Sow. . . . Min. Conch. tab. 33. 

 ScHUM. 1817. Ess. p. 181. 



CuviER 1817. R, a. * et in Mem. p. serv. a riiist. 

 et l'anat. d. Moll. * 

 et 1830. R. a. ed. 2a (ed. Voigt. III. p. 422.) — 



genus Scutibranchiatorum. 

 Pariter SwAiiNSon 1840. Malac. p. 242. 3.56. — 

 Subgenera : Emarginula, Cemoria, Rimula, Par- 

 mopliorus, Hemitoma. 

 Blai^v. 1819. Dict. sc. nat. tom. 14. p. 380. 

 Defrance 1819 ibid. p. 382. 1822. Ibid. tom. 45. p. 



472. * segregatur Rimula. 

 Ferlssac 1821. Tabl. syst. p. XXXVII. — in Pa- 

 telloideis. 

 Pariter Meake 1828. Syn. et 1830. Ib. ed. 2a p. 89. 

 Ram; 1829. Man. p. 246. — injungitur Riinula 



(praec. Blainv.) 

 RoMER 1836. Verst. nordd. Ool. p. 136. 

 PoTiEz et MicH. 1838. Gal. I. p. 518. 



