HELIX §. 22. 111 



(Coll. Nr. 145.) — Diam. maj. 19, min. 16/2, all. 8^4 mill. (ex 

 ic. Deless.) 



Helix concolor (Helicella) Fer. pr. 208. Hist. t. 82. f. 2. 



— — Lam. 74. p. 86. ed. Dh. p. 63. 



— — Deless. recueil t. 26. f. i. 



_ _ Chemn. ed. H. Helix N. 525. t. 85. f. 4 — 6. 



Habitat in insula Portorico. 



2S2\ H. sporteUa Gould. f 



T. plauulata, fragilis, nitida, luteo-cornea , 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. y^, alt. ''/^o poll. (G.) 



Helix sportella Goidd 1846. Exped. shells p. 18. 

 Habitat ad Puget Sound , Oregon. 



Obs. «Similis H. coiicavae, umbilico angusliore , apertura majore et 

 sculplura diversa. » 



28.3. H. orbicula Orbigny. 



T. late umbilicata, subdiscoidea, subtiliter striatula, 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-lunaris; perist. tenue, 

 acutum. — Diam. maj. 11 '/3, min. 10, alt. 4 mill. (CoII. Nr. 146.) 

 Helix orbicula (Helicella) Orb. synops. p. 6. 



— — Or6. vov. p. 250.' t. 27. f. 16 — 19. 



— — Chemn.'od. U. Helix N. 515. t. 83. f. 32 — 34. 



Habitat in republica Boliviana. 



284. H. complanata Deshayes. "f 



T. discoidea, depressa, tenuis, diaphana, fuscescens, superne 

 plana , subtus umbilico lato excavata.; anfr. convexiusculi , longi- 

 tudinaliter striati, striis ad periphei"iam evanescentibus; apertura 

 rotundato-semiiunaris; labrum simplex, tenuissimum. — Diam. 1-3, 

 alt. 5 mill. (Dh.) 



Helix complanata Desh. in Fer. hist. p. 9. t. 69 B. f. 2. 

 Habitat . . . ? 



285. H. cellaria Muller. 



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 



