392 HELIX §. 72. 



Helix punctata Wag^n. in Spix p. 23. .-,n /, 

 /?. Unicolor: •/--..'•.■• . ■-. -■^r. , ^ . 



Helix pellis serpentis var. Fer. hist. t. 74. f. 2. 



Habitat in Brasilia, in sylvis prov. Pernambucanae et Piauhiensis 



(Spix). 



Obs. Persimilis H. heliacae (Nr. 966.), carina acuta, sculptura etc, 

 dislincla. 



1020. H. lanx Ferussac. 



T. late umbilicata , depressa , carinata , oblique striata el ru- 

 gulosa , fusca, infra carinam saturatior; anfr. 5 planiusculi , ulti- 

 mus antice subdeflexus; umbilicus magnus, pervius; apertura 

 lunato-eliiptica, intus margaritacea ; perist. reflexum, intus coeru- 

 lescenti-album , marginibus approxiraatis, callo tenui junctis, dex- 

 tro sinuoso, basali strictiusculo. — R. a. — 1 : 2. — Diam. maj. 55, 

 min. 46, alt. 22 mill. (Coll. Nr. 621.) 



Helix lanx (Helicigona) Fer. pr. 156. llist. t. 63. f. 7. 



— — Pfr. Symb. I. p. 41. 



— — Pot. et Mich. gal. I. p. 123? 



— — Chemn. ed. II. Helix N. 667. t. 106. f. 1 — 3. 

 /9. Major: 



Helix Radama Less. voy. de la Coq. p. 304. t. 7. f. 1. 



— — Less. Cent. zool. t. 9. 

 Habitat in insula Madagascar. 



1021. H. Lamarei Menke. ^;. .. ;. il.3'.:. .,•■'': ; 



T. rimato-perforata, superne depressa, subtus mflafa", tenuis, 

 minutissime granulata, albida, epidermide tenui, corneo-virente 

 induta ; spira planiuscula ; anfr. 4 , ultimus acute carinatus , supra 

 carinam antice evanescentem canaliculatus , subtus valde inflatus, 

 basi compressus; umbilicus anfractum penultimum modo mon- 

 strans; apertura obliqua, subcircularis; perist. simplex, superne 

 late expansum, subreflexum, basi breviter reflexum, marginibus 

 approximatis, callo junctis. — Diam. maj. 34, min. 26, alt. 1 6 mill. 

 (GoII. Menkean.) 



Helix Lamarei Mke mss. 



— — Pfr. Symb. III. p. 79. 



Habitat in insula Madagascar (Lamare-Piquot). 



1022. H. Xystera Valenciennes. 



T. umbilicata, orbicularis, depressa, acutissime cariiiala,' 

 tenuis, diaphana, olivaceo-fusca; sutura levissima; anfr. 4 plani, 

 ultimus basi convexus, circa umbilicum infundibuliformem sub- 

 angulatus; apertura perobliqua, depressa, irregularis; perist. 



