— 379 — 



Pyreiie Bolt. con<in. 



= Columbella (sp.) Lamck. (Typus: Voluta discors 

 Gmel.) 

 Pyrgelix Beck 18B7. Ind. p. 88. 



Efym. nvQyog, turris^ tA^,^, helix. 

 Subgenus Fupae. 

 = Megaspira Lea. 

 Pyrsi^icus PniLippi olim 1840. Wiegm. Arch. L p. 50. 

 Etym, TCvQyiaxog, turricula. 

 = Chemnitzia D'Orb. 

 Pyrgo Defr. 1826. Dict. sc. nat. tom. 41. p. 129. (Pirgo.) 

 Etym. IIvQycL), nom. propr. 



Genus Polythalamiorum, quod D'Orb. (1826. Cephal. 

 p. 132. *) et Desh. (1832. Enc. meth. III. p. 772. 

 859. 863.) Bilocuhnis injungunt. 

 Blainv. 1824. Dict. sc. nat. tom. 32. p. 273. et 1825. 



Malac. p. 482. — genus Thecosomorum. 

 Bang 1829. Man. p. 373. — incerto loco. 

 Cuv. 1830. B. a. ed. 2a. (ed. Voigt. III. p. 32.) — 



in Pteropodis. 

 Pariter Bronn 1838. Leth. p. 986. 

 Synon. Biloculina (sp.) D'Orb. 

 Pirgo Defr. Desh. 

 l*yi*Soi»oloii MoNTF. 1808. Conch. syst. L p. 394. Cf. Blainv. 

 et Defr. 1826. Dict. sc. nat. tom. 41. p. 129. 

 (Pirgopole.) 

 Etym. TCvQyog, turris; ncoXog, pullus. 

 Polythalamiorum genus male observatum, septis 



carens. 

 Latr. 1825. Fam. nat. — genus Orthocerorum. 

 Menke 1830. Syn. ed. 2a p. 4. — Belemnitis in- 

 jungit. 



Pariter Sow. jun. 1842. Conch. Man. ed. 2a p. 244. 

 Desh. 1832. Enc. meth. III. p. 772. — Pirgopo- 



lon — Dentaliis inserit. 

 Synon. Orthocera (sp.) Flem. 

 Pirgopolon Desh. 



