HELIX §. 22, 
111 
(Coli. Nr. 145.) — Diam. maj. 19, min. 16/a, ait. sy^ mill. (ex 
ic. Deless.) 
Helix concolor (Helicella) Fe'r. pr. 208. Hist. t. 82. f. 2. 
— — Lq>m. 74. p. 86. ed. Dh. p. 63. 
— “ Deleas, recueil t. 2 6 . f. 1 . 
— — Chemn. ed. II. Helix N. 525. t. 85. f. 4 — 6. 
Habitat in insula Portorico- 
2S2*. H. sportella Gould. "f 
T. planulata, fragilis, nitida, luteo-comea, subtus concava, 
late umbilicata , lineis incrementi conspicuis et lineis volventibus 
subtilissimis confertim decussata; anfr. 5, ultimus magnus; sutura 
profunda; apertura rotundata, infra subangulata; labrum acutum, 
simplex. — Lat. '/a, ait. poli. (G.) 
Helix sportella Gould 1846. Exped. shells p. 18. 
Habitat ad Puget Sound , Oregon. 
Obs. «Similis H. concavae, umbilico angustiore, apertura majore et 
sculptura diversa. » 
283. H. orbicula Orbigny. 
T, late umbilicata, subdiscoidca, subtiliter slriatula, nitida, 
diaphana, griseo-flavicans ; spira vix elevata, obtusissima; anfr. 
7 — 8 convexiusculi , ultimus basi vix latior, non descendens; 
umbilicus latissimus, tertiam anfractuum latitudinis partem mon- 
strans; apertura vix obliqua, rotundato -lunads; perist. tenue, 
acutum. — Diam. maj. IlVs, min. 10, ait. 4 mill. (Coli. Nr. 146.) 
Helix orbicula (Helicella) Orh, synops. p. 6. 
— — voy. p. 250.' t. 27. f. 16 — 19. 
— — Chemn, ed. U. Helix N. 515. t. 83. f. 32 — 34. 
Habitat in republica Boliviana. 
284. H. complanata Desbayes. -{■ 
T. discoidea, depressa, tenuis, diaphana, fuscescens, superne 
plana , subtus umbilico lato excavata ; anfr. convexiusculi , longi- 
tudinaliter striati, striis ad peripheriam evanescentibus; apertura 
rotundato-semilunaris ; labrum simplex, tenuissimum. — Diam. 13, 
ait. 3 mill. (Dh.) 
Helix complanata Desh. in Fer. hist. p. 9. t. 69 B. f. 2. 
Habitat . . . ? 
^ 2S5. H. cellaria Mulier, 
T. aperte umbilicata, depressa, planiuscula, nitida, subpel- 
lucida, striatula, pallide virenti-cornea, subtus albida; anfr. 6 pla- 
nulati, ultimus depressus; apertura vix obliqua, depressa, obli- 
que lunaris; perist. simplex, acutum, margine columellari non 
