184 IIELIX §. 34. 35. 



Helix siipprcssa Binn. in Bost. journ. III. p. 410. t. 1 1. f. 3. 

 Ilabitat in Anierica boreali: Ohio, Pennsylvania. 



Obs. Plica columollae prc).\.ima vel distincta ot valida , vol magis miimsve 

 obsolela est. — Iii speciminibus junioribus neulra conspicua. 



475. H. lineata Say. 



T. late unibilicata, subdiscoidea , tenuis, paliide flavescens, 

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

 sutura impressa distincti. intus pluries remote bidentati; apertura 

 lunaris; perist. simplex. — Diam. maj. 35/2, min. 3, alt. 1/2 mill. 

 (Coll. Nr. 275.) 



Helix lineata Say in Philad. journ. I. P. 1. p. 18. P. 2. p. 373. 



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



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



— — Gould repovt p. 179. f. 103. 



— — Pfr. Symb. U. p. 3 1 . 



— — Chemn. ed. II. Helix t. 1 1 . f. 1 3 — 1 3. 



— .... Fer. hist. t. 86. f. S. 

 Eiiryomphala lineata Beck ind. p. 8. 



Habitat in America boreali: Philadelphia, Harrigate, Massachuselts. 



476. H. multidentata Gould. 



T. umbilicata, orbiculata, depressa, nitidula, cornea, superne 

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

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

 riebus pluribus remolis dentium munitus : dentibus 5 in quavis 

 serie basi pellucente; umbilicus angustissimus, pervius; apertura 

 depressa, lunaris; perist. simplex, acutum. — Diam. maj. ^y^, 

 min. 3, alt. 1 '/2 mill. (Coll. Nr. 276.) 



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



— — Che7nn. ed. II. Helix t. 101. f. 9—12. 



Habitat in America boreali : Vermont. 



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

 losloma opalinum p. 12.) 



§. 35. 



477. H. lamellosa Ferussac. 



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 umbilicum mediocrem, 

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

 mellis 2 magnis in pariete apcrturali, reliquis minoribus, 1 in 



