392 
HELIX §. 72. 
Helix punctata Wagn, in Spix p. 23. 
/?. Unicolor : 
HeUx pellis seypentis var\ Fer. hist. t. 74. f. 2. 
Habitat in Brasilia, in svlvis prov. Pernambucanae et Piauhiensis 
(Spix). 
Obs. Persimilis II. heliacae (Nr. 966.), carina acuta, sculptura elc. 
distincta! 
^/10*20, H. lanst Ferussac. 
T. late umbilicata , depressa , carinata , oblique striata et ru- 
gulosa, fusca, infra carinam saturatior; anfr. 5 planiusculi , ulti- 
mus antice subdeflexus; umbilicus magnus, pervius; apertura 
lunato-elliptica, intus margaritacea; perist. reflexum, intus coeru- 
lescenti-album, marginibus approximalis, callo tenui junctis, dex- 
tro sinuoso, basali slrictiusculo. — R. a. = 1 : 2. — Diam. maj. 55, 
rain. 46, ait. 22 mill. (Coli. Nr. 621.) 
Helix lanx (Helicigona) Fdr. pr. 156. Hist. t. 65. 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. 
/?. Major: 
Helix Radama Less. voy. de la Coq. p. 304. t. 7. f. 1. 
— — Less. Gent. zool. t. 9. 
Habitat in insula Madagascar. 
1021. H. Lamarei Menko. 
T. rimato-perforata, superne depressa, subtus inflata, tenuis, 
minutissime granulata, albida, epidermide tenui, comeo-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, ait. 1 6 mill. 
(Coli. Menkean.) 
Helix Lamarei Mke mss. 
— — Pfr. Symb. HI. p. 79. 
Habitat in insula Madagascar (Laraare-Piquot). 
1022. H. Xystera Valcncienues. 
T. umbilicata, orbicularis, depressa, acutissime carinata, 
tenuis, diaphana, olivaceo-fusca; sutura levissima; anfr. 4 plani, 
ultimus basi convexus, circa umbilicum infundibuliformem sub- 
angulatus; apertura perobliqua, depressa, irregularis; perist. 
