— 3 — 



Acarclines (lesAcardes) Des3I0UL. Rang. vid. Calceolacea. 

 Aear«lo CommercojV Manuscr. teste Briig. 1789. Eiic. meth. 

 I. p. 1. pl. 173. 



Etym. Vox hyl)rida: a privat.; cardo. 



Genus Bivalvium irrcgidariuni, cui postea (Enc. meth. 



pl. 172.) etiam Sphaorulilac injunguntur. 

 Adoptat Lamck. 1799. Prodr. * 



1801. Syst. p. 130. Seg:regatur Ra- 

 diolitcs, sed male subjungitur Pa- 

 tcUa umbcllaGmcl. (= Umbrella.) 

 Pariter Duvernoy 180-1. Dict. sc. nat. tom. 

 I. p. 112. 

 RoissY 1805. Moll. V. p. 180. — Umbrellas emittendas 

 probat, genusquc omnino tollcndum statuit, quippe 

 quod ad epiphyses vertebrarum Cetacei cujusdam 

 spectct. Consentiunt sequentes fcre omncs. 

 Coiifer. Blainv. in Dict. sc. nat. tom. I. suppl. p. 14. 

 Desh. in Enc. metli. II. p. 1. 

 Acardo IMuehlfeldt 1811. Entwurf p. 63. 

 Genus Bivalvium. 



Memve 1828. Syn. p. C. — genus Umbrelhacearum. 

 = Umbrclla Lamck. 



Conf. Schum. Ess. p. 178. 

 AcaB^sBo CuviER 1817. Regne anim. II. p. 457. * 

 Subgenus Ostreae. 

 Pariter Sciiweigg. 1820. Natgesch. p. 718. Subsectio- 



nes: Radiolitcs, Sphacrulitcs. 

 CuviER 1830. R. a. cd. 2\ (ed. Voigt. IIL p. 437.) 

 — gcnus Ostraceorum monomyorum, Subgenera: 

 Radiobtcs, Spliacrubtcs, Calceohi, Hippurites, Ba- 

 tobtcs. 

 = Rudistae Lamck. 

 AcaraBo Swainsox 1840. MaUic. p. 374. 



Subgenus Cardii. Typus: Cardium edentuhjm 3Iont. 

 ? = Adacna Eichwald. 

 Acarais (Montf.) Blaixv. err. typ. 

 = Acavus Montf. 



