HELIX §. 10. 
49 
culi, ultimus basi planior; apertura lunaris; perist. simplex, acu- 
tum, rectum, margine columellari vix reflexiusculo, intus subin- 
crassato. — Diam. maj. 15, min. 13/2, ali. 10 — 11 mill. (Goll. 
Nr. 49.) 
Helix ligera Say in Philad. journ. II. p. \ 57. 
— — Binney in Bost. joimi. III. p. 412. t. 20. f. 1. 
— — Chemn. ed. II. Helix N. 176. t. 33. f. 5-7. 
— Wardiana Lea obs. II. p. 67. t. 23. f. 82. 
— Rafinesquea Fer. pr. 311 ? Ilist. 1. 51 A. f. 5. 
Lister t. 81. f. 82. (Say.) , 
Habitat in America boreali ; Missouri, Kentucky, Cincinnali. 
Obs. H. Wardiana colore animalis solum divef^a dicitur. 
^ 91. H. intertexta Binney. 
T. perforata, orbiculalo-convexa, luteo-fulva, oblique argute 
striata, lineis confertis concentricis granulato- decussata; spira 
elevata, obtusa; anfr. 6/2 convexiusculi, ultimus ob.soIete angula- 
tus, fasciis obsoletis saturatioribus cinctus ;‘va|>erlura lunaris; 
perist. simplex, rectum, acutum, margine columellari superne 
reflexiusculo, intus calloso-incrassato. — Diam. maj. 1 5, min. 1 3’/.;^ 
ait. 10 mill. (Coli. Nr, 50.) 
Helix intertexta Binn. in Bost. journ. III. p. 413. t. 20. f. 2. 
— — Phil, Icon. n. 9. p. 5. t. 6. f. 1 6. 
— — Chemn. ed. II. Helix N. 177. t. 33. f. 8 — 10. 
Habitat inPonnsylvania (Griffith), Ohio, Carolina septenlr. (Binney.) 
Ob.s. Differt ab H. Hgera sculptura decussata, utrinque aequali. 
92. H. portoricensis Pfr. 
T. perforata, subturbinato-depressa, tenuis, diapliana, cornea, 
confertim striata; spira elevata, acutiuscula; anfi;^5 convexiusculi, 
sutura profunda disjuncti, ultimus striis nonnullis spiralibus nota- 
tus; apertura subverticalis, lunaris; ])erist. simplex, acutum, mar- 
gine columellari ad umbilicum angustissimum dilatalo-relloxo. — 
Diam. maj. 10, min. 9, all. 7 mill. (Coli. Gruner.) 
Helix Porloricemis Pfr. in Zeitschr. f. Mal. 18 47. p. 13. 
Habitat in insula Portorico. 
93. H. turbinlformis PIV*. 
T. perforata, Irochiformis, oblique striatula, corneo-albida; 
spira elevata, apice acula; anfr. o convexi, parum exserti; aper- 
tura lunaris; perist. simplex, acutum. — Diam. maj. 7, min. O/ 2 , 
ait. 47 ? mill. (Coli. Nr. 51.) 
Helix turbinlformis Pfr. in Wiegm. Arch. 1839. 1. p. 350. 
~ — Chemn. cd. II Ilclix N. G44. l. 99. f. 31—33. 
4 
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