73 



die Stelle der ausfallenden H. Savignyana (welche nach 

 Albers's Untersuchung des Ehrenbergschen Originalex- 

 emplares von Hei. Pouzolzi Desh. nicht zu unterscheiden 

 ist) eingerückt werden. 



21. Helix Fortunei Pfr. 



T. unibilicata, sinistrorsa, conoideo-depressa, tenuis, 

 striatula, sub lente minutissime decussata, diaphana, corneo- 

 albida, castaneo-unifasciata ; spira brevissima, conoidea, 

 acutiuscula; anfr. 5 parum convexi, ullimus subteres, vi'x 

 descendens; umbilicus mediocris ('/e diametri occupans), 

 non pervius; apertura diagonalis, lunaris; perist. tenue, 

 acutum, expansum, margine columellari fornicatim reflexo. 



Diam. maj. 19, min. 15, alt. 10 mill. 

 Habitat Shang Hi Chinae. (Mr. Fortune.) 



22. Helix loxodon Pfr. 



T. umbilicata, depressa, solidula, undique confertim 

 et eleganter costulata, diaphana, pallide Cornea; spira bre- 

 vis, convexiuscula; anfr. 4V2 convexiusculi, ultimus supra 

 medium lineis 2 fusculis cinctus, antice subito deflexus, 

 basi constrictus; umbilicus angustus, non pervius; aper- 

 tura fere horizontalis, lunato-rotundata; perist. subcallo- 

 sunij album, marginibus approximatis, supero expanso, 

 basali reflexo, intus dente transverso munito, columellari 

 dilatato. 



Diam. maj. 13, min. 11, alt. 6 mill. 

 Habitat in insula Haiti. (Mr. Salle.) 



Nächste Verwandte der Hei. Bahamensis Pfr. 



23. Helix trichotropis Pfr. 

 T. umbilicata, orbiculato-conoidea, tenuis, striatula, 

 lineis spiralibus impressis sub lente minutissime decussata, 

 diaphana, pallide Cornea; spira late conoidea, acutiuscula; 

 anfr. 6Va subplani, ultimus acute carinatus, ad carinam 

 pilis longiusculis ciliatus, basi convexior, ad umbilicum 



