HELIX §. 10. 
43 
§. 10. 
T2. H. Humphreysiana Lea. 
T. aperte perforata, orbiculato -conoidea, subtus convexa, 
ruguloso-granuiata, luteo-fulva, ad peripberuun caslaneo-fasciala ; 
spira elata, acutiuscula; anfr. 6 — 7 convesiusculi, ultimus circa 
j)erforationem compressus; apertura obliqua, lunaris; perist. 
simplex, acutum, margine columellari vix reflexo. — Diam. maj. 
53, min. 47, all. 33 inill. (Coli. Nr. 41.) 
Helix Himphreysiana Lea in Transact, Am. phil, Soc. Vll. p. 463. 
t. 12. f. 16. 
— — C/icmn. ed. II. Helix N. 168. t. 31. f. 3. 4. 
— Fer. hist. Livr. 34. t. 2. f. 7. 
p. Pallide lutea, absque fascia, basi fulvescens. (Mus. Cuming. ) 
Habitat in India orientali : Pondiebery, Sincapore. 
^ 73. H. gemina v. d, Busch. 
T. angustissime umbilicata , depresso-turbinata , obsolete an- 
gulata, striis concentricis et obliquis irregulariler subgranulosa, 
brunnea, basi pallida, lutescens, medio fascia alba, rufae angustiori 
adnata, circumdata; anfr. 6 celeriter crescentes, vix convexius- 
culi; apertura lunato-ovalis ; perist. simplex, superne inflexum. — 
Diam. maj. 49, min. 41 , ait. 28 mill. (Coli. Nr. 42.) 
Ilelix gemina v. d. Busch in Pliil. Icon. I. 1. p. 9. t. 1. f. 1 . 
— — (Nanina?) Pfr. Synib. II. p. 18. 
Habitat in insula Java (Winter)! 
Obs. An varietas praecedentis? 
74. H. Clairvillia Ferussac. •f 
T. perforata, subturbinala , laevis, lutescens, superne fusca; 
anfr. 6 convexi, ultimus tumidus; apertura rotundato- lunaris; 
perist. album, obtusum, margine columellari declivi, subarcuato, 
reflexiusculo. — Diam. maj. 43, min. 36, all. 32 mill. (Dcscript. 
et mensura ex ic.) 
Helix Clairvillia (Helicella) Fdr. pr. 243. Hist. t. 91. f. 1. 
Nanina Clairvillia Qt^ay in Proc. Zool. Soc. 1834. p. 59. 
— — Beck ind. p. 3. 
Geve t. 26. f. 277. (Icstc Beck.) 
/?. Albida, anfractu ultimo in fundo castaneo late albo-zonato : 
Helix Clairvillia a Fer. bist. l. 91. f. 2. 3. 
Habitat in insula Amboina. (Beck.) 
Obs. Haec species varietatibus nonnullis H. Hiimphreysianac persimilis 
videtur. 
