204 
103. Cochlostyla (Orustia) martensi MÖLLENDORFF. 
Taf. XLI, Fig. 7. 
Testa subeonoideo-globosa, solida, subtiliter sed distinete striatula mieroscopice 
spiraliter lineata, fulvo-castanea, taeniis 3, prima perangusta ad suturam, altera 
sat lata peripherica, tertia columellari fusco-atris ornata, cuticula hydrophana 
albida, plerumque solum ad suturam anfraetus ultimi persistente obducta. Spira 
sat elevata apice obtuso violascescente. Anfractus 5 convexiusculi, ultimus bene 
convexus. Apertura modice obliqua, late elliptica, parum excisa; peristoma 
parum expansum, reflexiusculum, fusco marginatum; columella lata, alba, oblique 
substriete descendens, basi truncata, subdentata. — MLLDFF. 
Diam. maj. 30, alt. 31, apert. lat. 20, long. 19, alt. 17 mm. 
Cochlostyla libata var. d., Hıpat6o, in: Journal de Conchyliologie 1887, vol. 35, 
p. 148,1. 9,.h0.2D. 
Cochlostyla (Orustia) wmartensi MÖLLENDORFF, Verzeichn. philipp. Landmoll., in: 
Abh. Ges. Görlitz, vol. 22, p. 123, no. 502; Sep. p. 98. 
Nord-Luzon: Benguet. 
104. Cochlostyla (Orustia) roissyana Fürussac. 
Taf. XLII, Fig. 1, 1a, 2, 3, 4. 
Testa impertorata, subglobosa, erassiuscula, laeviuscula, subtilissime oblique striata, 
albida vel lutescenti-albida, sub epidermide hydrophana fasciis nigro-fuseis varie 
colorata, interdum nigrescens. Spira convexo-conica, apice plano, lutescente. 
Anfractus 5 convexiusculi, regulariter cerescentes, ultimus ventrosus, antice des- 
cendens tum ascendens. Üolumella declivis, strietiuscula, plana, plerumque alba. 
Apertura modice obliqua, irregulariter lunato-eireularis, intus alba; peristoma 
album vel nigro limbatum, expansum. 
Diam. maj. 38, min. 34, alt. 32 mm. 
Helix Roissyana (Helicostyla) Ferussac, Prodrome 319 ter: Hist. t. 104, fig. 2, 3. 
— DesHayss'!), Enceyel. method. II, no. 149, p. 265. — 
SOWERBY, in: Pr. zool. Soc. London 1840, p. 101. — PFEIFFER, 
in: MARTINI & CHEMNITZ, Conch. Cab., ed. II, vol. I. 12, 
p- 283, t. 47, fig. 1—5: Mon. Helic. viv., vol. I, p. 250. — 
& 
l) Testa orbieulato-conoidea, turbiniformi, apice obtusa, laevigata, fasciis fuscis variabilibus ornata; anfractus 5— 
apertura subsemilunari; columella recta, lata, depressa, alba: labro obtuso, nigro, vix reflexo. — Diam. bas. 32 mm. 
’ 
