IIELIX §. 69. 373 



Helix .... Fer. hlst. t. 69 K. f. 18 — 20. 

 /?. Miiior: diain. luaj. 28, min. 2 4^2, alt. 11/2 niill. (Spec.) 



Habitat in republica Boliviana. 



Obs. Differt ab II. brasiliana anfractu i)Uinio depresso, subcarinato, coiore 

 et aperturae forma. — Conf. H. sei-pens Spi\. (Nr. -10 19.) 



067. H. concisa Ferussac. 



T. umbilicata, depressa, solida, unicolor rufa, regulariter 

 striata, sulcis obliquis, irregularibus incisa; spira planiuscula; 

 sutura impressa; anfr. 6 vix convexiusculi, ultimus rotundatus, 

 antice vix detlexus; urabilicus infundibuliformis; apertura obliqua, 

 lunato-ovalis, intus nitida; perist. subincrassatum, album, expan- 

 sum, marginibus callo albo, arcuato junctis. — Diam. maj. 58, 

 min. 46, att. 25 mill. (CoII. v. d. Busch.) 



Helix concisa (Helicella) Fer. hist. t. 78. f. 3. 4. 



— — Fe7\ in Voy. de Freyc. Zool. p. 470. 



— — Wood suppl. t. 7. f. 53. 



— — Pfr. Symb. EI. p. 78. 



Habitat in insula Rawak (Freycinet), in ins. Aroo (Mus. Cuming.). 



968. H. zodiaca Ferussac. 



T. umbilicata, depressa, solidiuscula, minute granulata, rufa, 

 subtus pallidior, medio albo-zonata; spira planiuscula; anfr. 4 vix 

 convexiusculi, ultimus antice vix descendens; umbilicus medio- 

 cris; apertura subverticalis, transverse ovalis, intus nitida; perist. 

 Jate expausum, incrassatum, ad columellara dilatatum. — Diam. 

 maj. 47, min. 35, alt. 21 mill. (Mus. Cuming.) 



Helix zodiaca (HeHcella) Fer. pr. 184. Hist. t. 75. f. 2. 



— — Pfr. Symb. m. p. 78. 



— zodiacHS Wood suppl. t. 7. f. 52. 

 Ampelita zodiaca Beck ind. p. 30. 



Habitat . . . ? 



909. H. Quoyi Dcshaycs. •^' 



T. subdiscoidca, supra paululum coiivexa. subtus late umbi- 

 licata, anfr. 5 convexiusculi, superne undulalo-costati, longitudi- 

 naliter striati, fusco-caslanci, ultimus ad periplieriam zona iuteola 

 ciicumdatus; apertura scmilunaris; labrum cacjuleum, rellexum. 

 (Dh.) — Diam. maj. 56, min. 48, alt. 28 — 30 mill. (ex ic.) 



Helix undulata Qiioy et Gaim. Astrol. U. p. 91. t. 7. f. I. 2. Nec Ft-r. 



— Quoyi Desh. \n Lam. ed. Dh. 162. p. 103. 



— .... Fer. hist. t. 73 B. f. 4. 



Habitat in insula Celebes, prope lacum Tondano. 



