— 219 — 



Pectiiiibi*aiiclBia<a Cuv. coiit. 



3) nec sij)hone instruc(a , neque appendice. Fa- 

 niilia: Sigareti. 

 Cuv. 1830. R. a. ed. 2a (ed. Voigt. III. p. 151.) — 

 sextus ordo (iasteropodum. 



1) trochoidea. Genera ; Trochus, Turbo, Palu- 

 dina, Littorina, Monodonta, Phasianella, Ain- 

 piillaria, Melania, Tornatena, Pyramidella, Jan- 

 thina, Nerita. 



2) capuloidea. Genera; Pileopsis, Hipponyx, 

 Crepidula, Pileolus, Septaiia, Calyplraea , Si- 

 phonaria, Sigaretus, Coriocella, Cryptostoma. 



3) buccinoidea. Genera; Conus, Cypraea, 

 Ovula, Terehellum, Voluta , Buccinum, Ceri- 

 thium, Mui'ex, Stromhus. 



Hartm. 1840. Syst, Uebers. — tertius ordo Gastero- 

 . podum. Famihae (terrestrium et fluviatilium) : 



Hydrophila , Teleohydrophila. 

 Rkeve 1841. Proc. Zool. Soc. p. 76. et 1842. Conch. 



syst. 11. p. 118. — 7us ordo Gasteropodum. 



A) Phytophaga, Familiae: Melaniana, Peristo- 

 mata , Neritacea , Janthinea , Pbcacea , Tur- 

 binea. 



B) Zoo])hag'a. Famib"ae; Parasitica, CanabTera, 

 Alata, Purpurifera, Cobuiiellata, Convoluta. 



Pariter Catlow 1845. Conch. Nom. p. 185. 



D'Orbigny 1841. MoU. Cub. I. p. 93. — quintus 

 ordo Gasteropodum. Subordines: Monoica, Dioica. 



Id. 1842. Pal. franc. * teste et imit. Geimtz 1845. 

 Grundr. d. Verst. p. 321. — quintus ordo Gasle- 

 ropodum. Famibae: Cyclostomidae, Ampullaridae, 

 Paludinidae, Littorinidae, Pyramidelbdae, Acteo- 

 nidae, Naticidae, Neritidae, Trochidae, Haliotidae, 

 Janthinidae. Cypraeadae, Obvidae, Strombidae, 

 Conidae, Volutidae, Muricidae, Fusidae, Cassidae, 

 Buccinidae, Vermetidae, Crepidulidae, Fissurebi- 

 dae, Chitonidae, Dentabdae. 



