— 58 — 



Honotltalamia Reeve 1841. Proc. Zool. Soc. p. 76, et 

 1842. Conch. syst. II. p. 305. 

 Alter ordo Cephalopodum. Unicum genus: Argo- 

 nauta. 



IUoiiodiyra {(.lovod-vQd) Arist. Hist. Anim. * > Hebenstreit 

 Diss. phys. de ord. conch. 

 Etym. i-iovos-) unicus; d-vqa, porta. 

 Prior seclio oaTQaxods()f.io)v , in qua distinguuntur: 

 xox^icci, xioxakia, noQg^vQai, x/jQvxeg, xox^oi, trjd-va 

 — haec omnia OTQO[.i^(.odi] , i. e. turbinata; tum 

 Xsnag, vJ]QtTai, axvlXaQov, auoQQaideg, s%ivog, l%i- 



V0/it7]TQai. 



monotigma Sow. jun. vid. Monotygma. 

 JVEonotis Bronn 1830 in Leonh. et Bronn min. Jahrb. I. 

 p. 284. 



Etym. (.lovog, unicus; ovS, auris. 



Genus fossile a Pectine separatum. 



Adoptat GoLDF. 1837 (?) Petref. Germ. II. p. 137. 



Puscn 1837. Pol. Palaont. p. 47. — in Pectineis. 



MoRRis 1843. Brit. foss. p. 112. 



Synon. Pectinites (sp.) Schloth. 

 Pecten (sp.) Miinst. 



ITIonotygma Gray 1840. Syn. Brit. Mus. * >- G. B. Sow. 

 jun. 1842. Conch. Man. ed. 2a p. 305. (Mono- 

 tigma Sow. jun. ibid. p. 192.) 

 Etym. /iiovog, unicus; ? rey/w, paro. 

 Genus Turbinaceorum. ^*) 

 = Menestho Moll. (teste Gould.) 



llontacuta Turton 1819. Conch. Dict. p. 102. * et 1822. 

 Biv. Brit. p. 59. * 



Etym. Dicat. Montagu. 



Novuin genus Bivalvium. Typus: Ligula substriata 

 Mont. 



25) Agassiz (1846.) Nom. zool. Moll. p. 56. synonymum habet 

 Monoplygmae Lea. 



