19 
Helici rupestri Drap. proxima, differt magnitudiae, anfractuum numero, sculptura, 
umbilico. 
5. Helix seraiplicata Pfeiffer. 
Tab. 2. Fig. 11 — 14. 
Testa latissime perspective umbilicata, depressa, subdiscoidea , solidula, superne 
dense plicata, laete lutea, rufo tessellata; spira parum elevata; sutura impressa; anfractus 
7 angustissimi, convexiusculi, ultimus non descendens, superne carinatus, basi convexus, 
laevigatus; apertura obliqua, lunato -rotundata; peristoma simplex, rectum, marginibus con- 
nivenlibus, columellari non reflexo. 
Diam. maj. 6^, miu. 6, ait. 2-^ millim. 
Helix semiplicata Pfeiffer in Zeitschr. f. Malae. 1852. p. 63. 
— — — Monogr. III. p. 114. n. 536. 
— Gueriniana Lowe Synops. p. 5. n. 17. 
— — Reeve Conch. icon. Hei. 1. 142. fig. 907. 
Habitat in Madera; in Ribeiro frio ad aquaeductum, loco umbroso, humido, sub 
foliis putridis. Rarissima. 
Intermedia inter Hei. rotundatam Miill. et retextam Shuttl. differt umbilico latissimo, 
anfractuum numero, sculptura grossiore. 
Sectio Fruticicola. *) 
Testa umbilicata vel perforata, depresso-globosa, cornea, interdum pilosa; an- 
fractus 5 — 7 convexiusculi; apertura late lunaris vel lunato -rotunda; peristoma acutum, 
brevissime expansum, intus labiatum, margine basali reflexo. 
. 6. Helix Arraitageana Lowe. 
^ Tab. 2. Fig. 28 — 31. 
Testa perforata, globoso -depressa, tenuis, membranacea, diaphana, olivaceo-^ cor- 
nea, interdum obsolete bifasciata, rugulosa, setulis brevibus apice uncinatis dense obsita; 
anfractus 4^ convexiusculi, ultimus angulatus, basi convexus; apertura rotundato - lunaris ; 
peristoma vix intus labiatum, marginibus distantibus, columellari dilatato, reflexiusculo, 
patente. 
Diam. maj. 7, min. 6, ait. 4 millim. 
Helix Armitageana Lowe Synops. p. 6. n. 20. 
*) Albers Heliceen p. 69. 
3 * 
