AMPHIDROMUS, GROUP XV. 211 



rex, the first one black ; penultimate and last whorls strongly convex; 

 suture impressed, marked liy a white line below, which is often 

 bordered by an indistinct pink band. Aperture small, oblique, show- 

 ing the bands within ; peristoine white both inside and out, retlexed, 

 thin ; coltunella oblique, its outer margin triangularly reflexed above, 

 continued some distance as a thickened ledge upon the parietal wall. 

 Parietal callus thin, showing the bands through, thickened at the ed<je 

 bflnw and near the posterior angle, where there is a subtriangular tuber- 

 cle, separated from the termination of the. outer lip by a deep but narrow 

 channel, which continues along the suture inside (fig. 25). 



Alt. 3G, diam. 10, longest axis of aperture 18 mill. 



Alt. 34, diam. 16, longest axis of aperture 16 mill. 



Alt. 24^, diam. 15 mill. 



Timor: Soul hern part of tlie island front Knpang and Babauw in- 

 land to Okabita, not uncommon (v. Martens); Parili and Taimanan 

 (Gazelle Kxped.); Amarassi (Dr. H. Ten Kate; a variety?) Rotti 

 (a small island near the west end of Timor): Talae (A. AVichmann). 



Helix contraria MULLER, Verm. Hist, ii, p. 95. GMELIX, Syst. 

 Nat. (13), p. 3C44. FEKUSSAC, in Freycinet's Voy. autour du 

 Monde, 1'Uranie et la Physicienne, Zool., |). 474, pi, 67, f. 8, 9. 

 Helix iitfcrrupta shn'strorsa, etc. CIIEMXITZ, Conchyl. Call, ix, p. 

 101, f. 93S, 939 (Miiller's type). H. litterrupta var. DILLWYX, 

 Catal., ii, p. 937. BuUnvis in'errnptns var. BRUG.. LAM. KUSTER, 

 Conchyl. Cab. p. 14, pi. 9, f. 5, 6 (copied from Chemnitz). IIo.M- 

 r.uox & JACQUIXOT, Voy. an Pol Sud, Moll., pi. H, f. 1 Bulimns 

 contrarins DESII, in Lam., An. s. Vert., viii, p. 226 ; in Fer. Hist., 

 p. 19, pi. 161, f. 10, 12, 13. MOUSSON, Moll. Java, p. 110. PFR., 

 Zeitschr. f. Malak., 1849, p. 138 ; Conchyl. Cnb. p. 136, pi. 41, f. 3, 

 4; Monogr. iii, p. 327; iv, 384; vi, 30; viii, 46 (always exclusive 



of varieties) MARTEXS, Ostas. Landschn, p. 363, pi. 21, f. 7a,b,c, 



10, and var. subcoacolor, p. 365, pi. 21, f. 9 (1867); Mai. Blatt. x, 

 1863, p. 171 ; Monatsber. K.-P. Akad. Wissensch. zu Berlin, 1877, 

 [). 278 (1878). Orthoslylus contrarim BECK, Index Moll. p. 50. 



Amphidronms contrarius WALLACE, P. Z. S., 1865, p. 412 

 SEMPER, Reisen in Archip. Phil., iii, p. 147, pi. 16, f. 24 (denti. 



tion) SCHEPMAN, Notes Leyden Mus. xiv, 1892, p. 153. 



MARTEXS, in Weber's Zool. Krgehnisse einer Reise in Nieder. 

 landisch Ost-Indien, ii, p. 241 ; and F. WIF.UMAXX, iii, p. 20S, pi, 

 15, f. 12-17 (anatomy). Fri/rox, Ann. Mag. N. II. (6), xvii, p. 

 77 (exclusive of varieties). 



