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Show 82 DR. J. C. COX ON NEW LAND SHELLS. [Jan. 27, 2. HELIX WANGANENSIS. Shell perforated, depressed, thin, hyaline, smooth, and shining, of an amber-brown colour; spire almost flat; whorls 5, flattened, very slowly increasing in size, last not depressed, rounded at the base; suture strongly marked; aperture lunate; peristome simple, thin ; columella dilated, concealing the slight perforation. Diam., greatest 0*31, least 0*21 ; height 0*22 of an inch. Hab. Wanga, San Christoval, Solomon Islands ; on the mountains, under leaves (Brazier). 3. HELIX QUINTALS. Shell imperforate, lenticular, greenish yellow, thin, transparent, flattened above ; whorls 8, slowly increasing, the last sharply keeled, not descending in front, base rounded and excavated in the middle, irregularly rugosely striated above, smooth below the keel; suture shallow, but rather broad; aperture narrowly angularly lunate; peristome simple; columella scarcely dilated. Diam., greatest 0*14, least 0*12 ; height 0*08 of an inch. Hab. Norfolk Island ; found in the pine-forests, uuder leaves in damp places (Brazier). This species is closely allied to H. lizardensis, Pfr., and, at Mr. Brazier's request, is named in honour of Mr. Arthur Quintala, jun., of Norfolk Island. 4. HELIX HELVA. Shell flattened, deeply and widely umbilicated, pale red, uniformly striated with coarse, regular, rather widely separated rib-like striae; whorls 41 to 5, rounded, the last descending gradually in front; aperture lunately rounded, margins joined by a dark callus; peristome obtuse, not reflected. Diam., greatest 0*10, least 0*08 ; height 0*04 of an inch. Hab. Aneiteum, New Hebrides; found under a log of wood (Brazier). 5. HELIX ARDUA. Shell minutely umbilicated, turbinately globose, yellowish brown, thin, smooth, slightly shining; spire obtusely conical; whorls 6, markedly convex, the last not descending in front; base rounded ; suture deep ; aperture roundly lunate ; peristome simple, somewhat expanded at the columella. Diam., greatest 0*12, least 0*10 ; height 0*11 of an inch. Hab. Erumanga, New Hebrides; found under a log of wood near the sea. 6. HELIX VANN^E-LAV^E. Shell imperforate, conoidly depressed, dark yellowish horn-colour, smooth, shining ; spire broadly conoid ; whorls 5^, only slightly convex, last not descending, base convex; suture shallow; aperture |