6 VITRINA §. 6 — 8. 



approximatis, dextro antrorsum dilatato, columellari recedente, 

 perarcuato, angustissime membranaceo-marginato. — Diam. 

 maj. 10, min. TVa, alt. 5 mill. (Coll. Nr. 30.) 



Vitrina Stratujei Pfr. in Proc. Zool. Soc 1849. p. 132. 

 Habitat Brisbane in ora orientali Novae HoIIandiae (Strange). 



Obs. Similis iconi V. nigrae Quoy , sed anfracfnum numero et mar- 

 gine columeliari valde recedente facillime distinguenda. 



* 



60. Zebra Guill. -j- Mon. II. p. 509. 



61. tenella Gould. ^ (Proc. Bost. Soc. 1846. p. 181 



et E.xpcd. shells 1851. p. 11. f. 10.) - - - 509. 



62. caperata GouM. ^ (Proc. Bost. Soc. 1846. p. 181 



et Exped. shelis 1851. p. 10. f. 9.) - - - 509. 



63. V. dimidiata Pfr. 



T. depressissima, ambitu ovalis, tenuissima, subtililer 

 arcuato-striata, sericina, pallide cornea; spira subplana; anfr. 

 2^4 subtus aperti, vix membranaceo-marginati; apertura ho- 

 rizontalis. totam testam occupans; perist. simplex, marginibus 

 regulaiiter arcuatis. — Diam. maj. 5V2, min. 4, alt. \% mill. 

 (Mus. Cuming.) 



Vitrina dimidiata Pfr. in Proc. Zool. Soc. -1851. 

 Habitat in Nova Seelandia. 



64. Ang^elicae Beck Mon. II. p. 509. 



65. V. Americana Pfr. 



T. depresse semiglobosa, tenuissima, laevigatissima, niti- 

 dissima, virenti-hyalina; spira parvula, vix elata; sutura sub- 

 crenulata ; anfr. 'Sy^ convexiusculi, celeriter accrescentes, ul- 

 timus subrotundatus, sublus latiusculus, anguste membranaceo- 

 marginatus; apertura fere diagonalis, lunato-rotundata; perist. 

 simplex, regulariter arcuatum , margine supero antrorsum sub- 

 dilatalo. — Diam. raaj, 4, min. 3, alt. 2 mill. (Coll. Nr. 31.) 

 Vitrina Americana Pfr. in Proc. Zool Soc. 1851. 



— pellucida De Kaij New-Vork Moll. p. 25. t. 3. f. 42? 



— limpida Goiild in Agass. Lake Super. p. 243? 



Habitat in Statibus Unitis. 



Obs. Forma persimilis V. annulari, testa laevigatissima , apertura 

 obliqiia , etc. diversa. 



* 



66. Mexicana Beck. ■^ Mon. II. p. 510. 



§• 8. 



67. fumosa Pfr - - - 510. 



68. virensPfr.(Coll. 32. — Proc.Zool.Soc. 1848.p.108.) - - - 510. 



