184 
HELIX 8. 34. 35. 
Helix suppressa Binn. in Bost. jouni. III. p. 41 0. t. H . f. 3. 
Habitat in America boreali: Ohio, Pennsylvania. 
Obs. Plica columellae proxima vel dUliiicla et valida, vel magis miiiusve 
obsoleta est. — In speciminibus junioribus neutra conspicua. 
% % 
^ 475. H. lineata Say. 
T. late umbilicata, subdiscoidea, tenuis, pallido flavescens, 
striis concentricis confertis lineata; spira brevissima; anfr. 4 — 5, 
sutura impressa distincti, intus pluries remote bidentali; apertura 
lunaris; perist. simplex. — Diam. raaj. SJA, min. 3, ait. 1 /2 mill. 
(Coli. Nr. 275.) 
Helix lineata Say in Philad. journ. I. P. 1. p. 18. P. 2. p. 373. 
~ — (Helicclla) Fer. pr. 195. Hist. t. 79. f. 1. 
— — Binn, in Bosl. journ. III. p. 436;^. 22. f. 6. 
— — GowW report p, 179. f. 103. 
— — Pfr. Symb. II. p. 31 . 
— — Chemn. ed. II. Helix t. 1 0 1 . f. 13 — 15. 
— .... Fer. hist. l. 86. f. 5. 
Euryomphala lineata Beck ind. p. 8. 
Habitat in America boreali; Philadelphia, Harrigate, Massachusetts. 
y/ 476. H. multidentata Gould. 
T. umbilicata, orbiculata, depressa, nitidula, cornea, superne 
regulariter striata, basi laevigata; spira vix elevata, obtusa; anfr. 
6 angusti, subpianulali, ultimus superne subangulatus, intus se- 
riebus pluribus remotis dentium munitus: dentibus 5 in quavis 
serie basi pellucenle; umbilicus angustissimus, pervius; apertura 
depressa, lunaris; perist. simplex, acutum. — Diam. maj. B/j, 
min. 3, ait. 1 J /2 mill. (Coli. Nr. 276.) 
Helix multidenlata Gould in Bost. journ. HI. p. t. 22. f. 3. 
— — Chemn. cd. II. Helix t. 101. f. 9 — 12. 
Habitat in America boreali: Vermont. 
Obs. Huic sectioni prius adnumeraveram H. margaritam Pfr. (Conf. Odoii - 
tosloma opalinum p. 12.) 
8. 35. 
^^^477. H, lamellosa Fcrussac. 
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 aperturali, reliquis minoribus, 1 in 
