186 HELIX §. 53. 



Helix extensa Fer. prodr. 2 4. Hist. t. 16. f. \. 2. Nec Miill, 



— — Latn. VI. p. 70. N. 18. Ed. Desh. VIII. p. 37. 



— — Chenu 111. conch. t. 5. f. 3. 



— — (Galllcochhas) Albers Helic. p. 106. 



— dissita Desh. in Fer. hist. I. p. 248. N. 316. 

 Habitat in America? (Fer. ) 



1011. H. Ai^debardi Pfr. 



T. imperforata, conoideo-globosa, solidula, nitida, castaneo- 

 fulva, strigis saturatioribus coiifertis ornata; spira conoidea, 

 apice obtusiuscula, aibida; anfr. Sy^convexi, summi granulati, 

 ultimi irregulariter rugoso-striati , ultimus inflatus, antice de- 

 flexus; columella perdeciivis, subarcuata, lata, plana, alba; 

 apertura perobiiqua, truncato-ovalis, intus coerulea, nitida ; 

 perist. incrassatum, subreflexum, album. — Diam. maj. 48, 

 min. 39, ait. 35 miil. (Goll. Nr. 531.) 



Helix Audehardi Pfr. in Proc. Zool. Soc. 1850. 



— — Reeve Gonch. ic. N. 211. t. 45. 



— — Chem7i. ed. II. Helix N. 846. t. 131. f. 20. 21. 

 p. Major, perist. latiore ; diam. maj. 70, min. 58, alt. 45 mill. (Mus. 



Guniing. ) 

 Habitat in insula Uaiti (Salle). 



1012. H. hemisphaerion Pfr. 



T. imperforata, semiglobosa, solida, oblique striata et sub 

 lente lineis spiralibus conterlissimis sculpta , nilida, iutescens, 

 fasciis castaneo-fulvis picta; spira convexa, apice obtusa; anfr. 

 4^2 convexiusculi, celeriter accrescentes, ultimus vix descen- 

 dens, peripheria obtuse angulatus et interdum irregulariter 

 oblique maileato-plicatus, basi subplanulatus; apertura obliqua, 

 lunato-ovaiis, intus albida; columella subdeclivis, lata, plana, 

 alba; perist. simplex, margine supero arcuato, expanso, basali 

 breviter reflexo. cum columella angulum obtusum formante. — 

 Diam. maj. 43, min. 36, alt. 27 mill. (Mus. Scheepmaker et 

 Albers. ) 



Hetix hemisphaerion Pfr. in Zeitschr. f. Malak. 1851. p. 15. 



— — Che?nn. ed. II. Heiix. N. 958. t. 146. f. 1.2. 



Habitat in insulis Philippinis. 



1013. H. semirufa Albers. •{• 



T. imperforata, conoideo-globosa, crassiuscula, oblique 

 striata, flavescenli-albida, ad suturam et ad peripheriam lascia 

 angusla rufa cincla, subtus fascia lata et area columellari rufa 

 ornata; anfr. iy.^ planulali, ultimus obtuse angulatus; spira 

 conoidea, apice obtuso sordide roseo; columella perobliqua, 



