— 585 — 



Tracheloidei^ Fer. contin. 



Etym. zQaxt]lo£id7]g, cepviciforaiis. (Tracheloidae 



corr. Ag.) 

 Subdivisio Cochlodinae. 



Pariter Rang 1829. Man. p. 170. 

 = Cylindrella PfeifF. et Odontostomus Beck. 

 Tracheio|ioda (Trachelipodes) LaiMck. 1812. Extr. d'un 

 Cours. * 

 Etym. TQCixrjlos, cervix; Ttovg, pes. Prinuis recte 

 vertisse videtur Gray 1821. Lond. M. R. Tra- 

 chelipoda scrib. Jay 1836. Cat. ed. 2a p. 32- 

 Bronn et Sow. jun. 

 Tertia sectio Cephalaeorum, sic divisa. 



1) Sipho nullus; apertura integra. Familiae: Helicea, 

 Limnaeana , Melaniana , Peristomia , Neritacea, 

 Janthinae, Plicacea, Scalariana, Macrostoma, Tur- 

 binacea. 



2) Sipho adest; apertura sive canaliculata, sive basi 

 emarginata, sive efFusa. Familiae: Canalifera, 

 Alata , Purpurifera , Columellaria , Involuta. 



Lamck. 1822. Hist. VL 2. p. 54. (ed. 2a VIII. p. 1.) — 



tertius ordo Molluscorum, divisus in Phytophaga 



et Zoophaga. 



Pariter Sow. j u n. 1842. Conch. Man. ed. 2a p. 275. 

 Tracliiopiiora LIeld 1836. Isis ]). 271. 



Primus ordo Gasteropodum. Genus unicum: Scu- 



telligera q. cf. 

 Trasomma Held 1837. Isis p. 916. 



Etym, TQayog , hircus; oiiif.ia, oculus. 

 Genus Hebcum. Typus: Helix algira L. 

 Tralia Gray 1840. Turt. Man. ed. 2a p. 21. et Syn. Br. Mus. * 



et 1842. ib. p. 91. 

 Etym. ? TQalUa, non). geogr. 

 Genus Auriculidarum. Typus: Voluta pusilla Gmel. 

 Synon. Bulimus (sp.) Brug. 



Voluta (sp.) Gmel. Donov. Mont. etc. 



Auricula (sp.) Lamck. Fer. Blainv. Desh. D'Orb, 



