AMPHtDROMUS, GROUP XVIt. 2lo 



purple umbilical area. Apical whorls reddish, fleshy or white, 

 usually with a terminal black spot. Whorls 6 (to nearly 7), convex, 

 the last inflated. Aperture small, oblique, flesh-tinted inside ; per- 

 istome white, narrowly reflexed, the columellar margin triangularly 

 dilated ; columella oblique, a little convex ; parietal callus thin and 

 quite transparent. 



Alt. 29, diam. 15, longest axis of aperture 13^ mill. 



Alt. 36, diam. 17^, longest axis of aperture 17 mill. 



Alt. 43, diam. 20, longest axis of aperture 18 mill. 



Moluccas: Keffing 7s., off the eastern end of Ceram (Capt. 

 Schulze). 



Helix laeva MULLEU, Verm. Terr. Hist., ii, p. 95. CHEMNITZ, 

 Conchyl. Cab., ix, p. 103, pi. Ill, f. 940-949 GMELIN, 'Syst. 

 Nat., p. 3644. DILLWYN, Descript. Catal., ii, p. 935. Buli- 

 mus ItEvis BRUG., Encycl. Meth., i, p. 317. KUSTER, Conchyl. Cab., 

 p. 15, pi. 9, f. 9-16. PFR., Monogr., ii, p. 39; Zeitschr. f. Malak., 

 1849, p. 138 ; Monogr., iii, 321 ;-iv, 382; vi, 27 REEVE, Conch. 

 Icon., pi. 37, f. 216 b MOUSSON, Moll. Java, p. 110 DESK, in 



Fer., Hist., ii, p. 18 MARTENS, Ostas. Landschn., p. 359 (1867). 



Bulimus (Amphidromus) Icevis Mull., TAPPARONE-CANEFRI, Ann. 

 Mus. Civ. di S tori a nat. di Geneva, xx, 1884, p. 146. Amphid- 

 romus ICBVIS Miill., MARTENS, Monatsber. K. P. Akad. Wissensch. 

 zu Berlin, 1877, p. 279, and in Weber's Zoologische Ergebnisse 

 einer Reise in Niederlandisch Ost-Indien, ii, p. 251 (1891). FUL- 

 TON, Ann. Mag. N. H. (6), xvii, 76. 



Usually banded in rather gaudy colors on a yellow ground, two 

 rather faint orange bands being especially constant; and further 

 differing from its allies in never being flammulate or obliquely 

 striped. It varies interminably in color and band-pattern. 



Although known to naturalists of the last century, the locality of 

 this species still remains uncertain. Timor, the Tenimber islands, 

 and the Moluccas have all been given as its habitat, but lack con- 

 firmation by recent collectors. The locality Keffing Is. is upon the 

 authority of a German who, returning from the Dutch East Indies, 

 assured Prof, von Martens that it came from that place. The speci- 

 mens in collections were collected by Malays, and obtained at the 

 seaports, from Singapore down. It must be abundant where found. 

 The name lavis would be as appropriate to most Amphidromus, as 

 nearly all the species are smooth. 



