184 IIELIX §. 34. 35. 



Helix suppressa Binn. in Bost. jouin. III. p. 41 0. t. H . f. 3. 



Habitat in America boreali: Ohio, Pennsylvania. 



b s. Plica columellae proxima vel disliiicta et valida , vel magis minusve 

 obsolela est. — Iii speciminibus junioribus neutra conspicua. 



475. H. lineata Say. //^■^./^.■^l^;li:^'-''^ 



T. late umbilicata, subdiscoidea, tenuis, pallide flavescens, 

 striis concentricis confertis lineata; spira brevissima; anfr. 4 — 5, 

 sutura impressa distincti, intus pluries remote bidentati ; apertura 

 lunaris; perist. simplex. — Diam. maj, 3^2, min. 3, alt. \^/-i mill. 

 (Coll. Nr. 275.) 



Helix lineata Say in Phllad. iourn. I. P. \. p. 18. P. 2. p. 373. 



— — (Helicella) Fer. pr. 195. Hist. t. 79. f. 1. 



— — Binn. in Bost. journ. III. p. 436. t. 22. f. 6. 



— — Gom/c/ report p. 179. f. 103. 



— — Pfr. Symb. H. p. 3 1 . 



— — Chemn. ed. II. Helix t. 1 1 . f. 13 — 15. 



— .... Fer. hist. t. 86. f. 5. 

 Euryomphala lineata Beck ind. p. 8. 



Habitat in America boreaii: Philadelphia, Harrigate, Massachuselts. 



476. H. multidentata Gould. . > . . , v/:j, 



T. umbihcata, orbiculata, depressa, nitidula, cornea, superue 

 regulariter striata, basi laevigata; spira vix elevata, obtusa; anfr. 

 6 angusti, subplanulati , ultimus superne subangulatus, intus se- 

 riebus pluribus remotis dentium munitus : dentibus 5 in quavis 

 serie basi pellucente; umbilicus angustissimus , pervius; apertura 

 depressa, lunaris; perist. simplex, acutum. — Diam. maj. 3/4, 

 min. 3, alt. \% mill. (GoII. Nr. 276.) 



Helix multidentata Gould in Bost. journ. III. p. 425. t. 22. f. 5. 



— — Chemn. ed. II. Hehx t. 1 1 . f. 9 — 1 2. 



Habitat in America boreali : Vermont. 



Obs. Huic sectioni prius adnumeraveram H. margaritam Pfr. (Conf. Odon ■ 

 tosloma opalinum p. 12.). 



§• 35. 



477. H. lamellosa Ferussac. '■'f////f.?i5^,.i./i/;/ 



T. umbilicata, lenticularis, tenuis, nitida, glabra, acute ca- 

 rinata, flavescens, maculis et flammis rufis ornata; spira subele- 

 vata; anfr. 7 plani, ultimus basi inflatus, ad umbihcum mediocrem, 

 cylindricum angulatus; apertura depressa, trapezia, ringens: la- 

 mellis 2 magnis in pariete aperturali, reliquis minoribuSj 1 in 



