288 HELIX-PLANISPIRA. 



conspicuous white border ; the surface between this border and the 

 supra-peripheral band is light brown, becoming darker on the latter 

 part of the body-whorl. Whorls 4, convex; sutures impressed; 

 last whorl descending in front. Aperture oblique, rounded-lunar, 

 showing the bands within ; peristome expanded, white except where 

 the dark bands spot it ; basal margin reflexed, with no trace of a 

 tooth. Alt. 10, greater diam. 22 J lesser 18 mill. 



Is. Batcliian, Waigou, etc., Moluccas. 



H. kurri PFR. P. Z. S. 1847, p. 228 ; Conchyl. Cab., p. 251, 1. 114, 

 f. 1-3 ; Monogr. i, p. 386. REEVE, Conch. Icon., f. 432. TAPP. 

 CAN., Ann. Mus. Civ. Genova, xix, p. 182. Planispira Kurri 

 WALLACE, P. Z. S. 1865, p. 408. 



A variable species in coloration. A pure white specimen with a 

 faint, narrow peripheral band and the usual narrow, opaque, white, 

 subsutural band is before me. H. flamdula Martens is scarcely 

 more than a variety. 



H. FLAVIDULA Martens. PI. 45, figs. 47, 48, 49. 



Shell narrowly umbilicated, subdepressed, having short hairs (or 

 if denuded, their scars), striatulate, pale corneous-yellowish, gener- 

 ally having one rufous band ; spire scarcely or a little raised. 

 Whorls 4J, a trifle convex above, the last inflated beneath, suban- 

 gulated around the umbilicus, in front distinctly descending and 

 scarcely constricted. Aperture little oblique, lunate-semiovate ; 

 peristome shortly reflexed all around, a little thickened, flesh-col- 

 ored, the margins quite remote ; upper margin deeply arched, basal 

 margin a little straightened, subcallous ; parietal callus thin, shin- 

 ing. Alt. 10-10* greater diam. 17-19, lesser 14-15 mill.; alt. 8, 

 greater diam. 15 mill. (Mart.} 



At the water-fall at Maros, southern Celebes. 



fe 



H.flaveola MART. Monatsb. d. Berl. Akad. 1864, p. 525 (not H. 

 flaveola Kryn., 1837). H. fiavidula MART. Ostas. Zool., Landschn. 

 p. 302, t. 14, f. 4. PFR. Monogr. v, p. 378. 



The fleshy-yellow coloration leaves a milk-white place close to the 

 suture, within the umbilicus, and on each side of the narrow periph- 

 eral band, so that one may regard it as the result of coalescent bands 

 according to the formula (12)3(45) ; a disposition exhibited by many 

 European Campylseas. The constriction behind the lip, in general 

 only weakly indicated, is distinct where it passes into the umbilicus. 



