— 55? — 



Imiierator IMontf. contin. 



Synon. Calcar sectio a Schum. 

 Calcar Feruss. Rang. 



Imperator J. E. Ghay Brit. Mus. teste G. B. Sow. jun. 

 Conch. Man. ed. 2a p. 165. 

 M. E. Gray 1842. Fi-. Moll. Anim. tab. 39. 40. 

 J. E. Gray 1844. Revue zool. 1844. p. 352. — in 

 Turbinidis. 

 = Imperator Montf. et Calcar Montf. 



Imiierforatae Feruss. 1819. Prodr. p. 31. 

 Etym. Nom. adject. 



Ouarta divisio Helicogenae. Species typicae: llelix 

 Rhodia Chemn. , Helix squamosa Fer. et Helix 

 coo^nata Fcruss. 



Pariter Rang 1829. Man. p. 161. 

 = Tach ea Leach. 



Impresi^ae Fi:russ. 1819. Prodr. p. 35. 

 Etym. Nom. adject. 



Ouinta divisio Helicodontae. Typus: Helix cepa 

 iMulIer. 



Pariter Rang 1829. Man. p. 162. 

 = Cepolum Montf. 



Iiiaeliiii^ HisiNGER 1837. Lelli. Suec. * 

 Etijm. '"Imxog, filius Oceani. **) 

 Genus Cephalopodum, antea Centrifugus. 

 Adoptat Emmons 1842. Geol. ofNew-York p. 365.* 

 = E u o nt p h a 1 u s Sow. 

 Iaiae(|iiival«Ba Latr. 1825. Fam. nat. p. 204. (ed. Germ. 

 p. 197.) 

 Efym. Nom. adject. 



AUera familia Brachiopodum pedunculatorum. Uni- 

 cum oenus: Terebratula. 



64) Inachus Fabric. genus Cruslaceorum. 



