499 | CYCLOSTOMACEA. HELICINACEA. HELICINA $. 12. 
fasciatum Say. — Chondropoma fasciatum Schauf. in Cat. Püt. p. 96. 
hyalaeum Sow. Y. 316. 
marginatum. Chemn. (YV. 235.) —  Cyclostoma. murrhinum. Menke. 
Genus Heteroeyclus Crosse (supra p. 54) teste ipso 
Auctore hic omnino eliminandum et ad Valvatidas juxta Val- 
vatam transferendum est. (Crosse in Journ. Conch. XXIV. 
1876. p. 99.) 
Ilelicinaeea  Menke, 
(p. 231.) 
Cl. Troschel (Gebiss der Schnecken II. Abth. 4, 1875. 
p. 162) familiam a Cyclostomaceis, Taenioglossorum familia, 
separat et ad Rhipidoglossa, una cum Proserpinaceis, Hydro- 
caenaceis, Neritaceis, Trochoideis, Stomatellaceis, Haliotidis et 
Fissurellaceis referendam declarat, dum antea (eodem opere I. 
p. (5) similitudinem modo denumtiaverat et Helicinacea juxta 
Cyclostomacea inter Pulmonata operculata traetaverat et ge- 
nerum Trochatellae, Helieinae et Alcadiae species illustraverat. 
IV. Helicina. Lamarck. 
(p. 243.) 
$. 12. 
120. adspersa Pfr. — Helicina .Lanieriana Orb.? 
Nomine tantum nota: 
Helicina  Mighelsi Adams, Jay Catal. 1850. p. 262. 
Species fossilis: 
? Helicina striata. .Defr. 1820. 
