— 236 — 



Cionella Jeffreys 1829. Trans. Linn. Soc. vol. 16. * teste 

 Gray in Tiirt. Man. ed. 2a p. 187. 

 Etym. xitov, colunina. 



Novum genus Pneumonobranohiorum pro diversissi- 

 nn*s animalilnis institutum, Helice lubrica Miill. et 

 Buccino acicula Miill., quorum alterum vix aliquo 

 signo a Bulimis dignoscitur, alterum autem antea 

 a Ferussacio nomine Caecilioidis characteribus ge- 

 nericis distinctum fuerat. 

 = Acicula Riss. et Cionella subg. Beck. 

 rionella Bec-k 1837. Ind. p. 79. 



Subgenus Achatihae, ad Bulimos potius referenduni. 



Typus: Hel. folliculus Meusch. 

 Synon. Helix (sp.) Linn. Miill. etc. 



Turbo (sp.) Pennant. Da Costa. 3Iontf. etc. 

 Buccinum (sp.) Adams. 

 Bulimus (sp.) Brug. Drap. C. Pfeiff. Nilss. 

 Ph^^sa (sp.) Drap. 



Cochlicopa sect. Styloides (p. p.) Ferussac. Rang. 

 Achatina (spec.) Lamck. Desh. etc. 

 Ferussacia et Vediantius Risso. 

 Zua Leach. 

 ? FoIIiculus Hartm. 



Glandina (sp.) L. Pfeiff. 

 ? Azeca Leach q. cf. 

 Styloides Fitz. 

 Clrce ScHUM. 1817. Ess. p. 152. 

 Etym. Nom. propr. **) 



Novum genus Bivalvium. Typus: Venus scripta 

 Linn. 

 = Cytherea Lamck. p. p. 

 Circlnaria Beck 1837. In^. p. 23. 

 Etym. Circinus. ^^) 



53) Circe Mertens genus Acalepharum. 



54) Circinaria Fer. genus Cryptogamoruni. 



