— 644 — 



Hyalidae D'Orb. 1837. Moll. Canar. * et 1841. Moll. cub. 

 I. p. 70. 

 Etym. Hyalea. 

 Prima familia Pteropodum. 

 = D a c t y 1 i o b r a n c h i a Gray. 

 Hyalina Schum. 1817. Essai p. 234. 

 Etym. vaXivog, vitreus. 

 = Volvaria Lamck. 

 llyalina Studer 1820. System. Verzeichn. p. 11. 

 Subgenus Glischri. 

 = Vitrina Drap. 

 Hyalinae Feruss. 1819. Prodr. ]). 40. 



Sectio Hebcellarum Aplostomarum. Typus: Helix 

 olivetorum Gmel. 

 Pariter Rang 1829. Man. p. 163. 

 Gray 1840 in Turt. Man. ed. 2a p. 165. — sectio 

 Zonitae. Congruum censet genus Gray. 

 ?= Hyalinia Hartm. 

 Hyaliiiia Agass. 1837. Nouv. M^m. Soc. Helv. I. * et 1846. 

 Nom. Zool. 

 Etym. vaXtvog, vitreus. 

 Subgenus Helicis. 



Pariter Hartm. 1840. Syst. Uebers. 

 Synon. Helicella sect. Aplostomae Hyalinae Fer. ? 

 Helicella Beck. ? 

 Mesomphix (Rafin.) Beck. 

 Zonites (sp.) Leach. Gray. 

 Oxychilus Fitz. 

 Vitrea Fitz. 

 Discus (sp.) Fitz. 

 Hyaluti Froriep et Meckel in Cuv. Vorles. iib. vergl. Anat. 



= Hyalea Lamck. 

 Hyatella Feruss. etc. vid. Hiatella. 



Hybogyra Agass. 1837 in Charp. Cat. Moll. Suiss. * et 

 1846. Nomencl. 

 Etym. vfiog, gibbus; yvQog, anfractus. 

 Pulmonatorum genus vel subgenus. 



