HELIX— Plate VII. 



The locality of, this species is given with some accu- 

 racy, as the specimen there collected, from which our 

 drawing is made, is the only one at present known. 



Species 31. (Fig. a, b, Mus. Cuming.) 



Helix prLCENS. Ilel. letta imperforatd, globoso-conicS, 

 cratsiuiculd, lari, superite aUiiJd, bast fmco-fulvd, 

 fatciit aliquot nigrU ciiicld; tpird elald, oblmiuaculd ; 

 anfraclibm qualuor ad /juinqut, concexiusculU ; aper- 

 lurd luiuiio-jiubcirculari, iiitua alia ; columella dila- 

 tatd, albo-callom ; perialoinatf breviter rejleio. 



The shining IIeli.x. Shell imperforated, globosely 

 conical, rather thick, smooth, whitish round the 

 upper part, brown-fulvous below, encircled by a few 

 black bands ; spire raised, rather obtuse ; whorls 

 four to five, rather convex ; aperture lunar-subcir- 

 cular, white witiiin ; columella dilated, white-callous ; 

 lip shortly rellected. 



SowEKBV, Pro. Zool. Soc. 18U, p. 3. 



Hab. Island of Mindoro, Philippines ; Cuming. 



The varieties of this species here figured show that the 

 dark bands are variably disposed, with sometimes a very 

 dark one beneath the sutures. 



Species 32. (Mus. Cuming.) 



Heli.X Mindanaensis. llel. tetta imperforatd, <jlobo*o- 

 conicd, »olidd, oblique rugoto-striatd, apice obtuid, pal- 

 lidd, luieo-fuacd, opacd, inaculi) tariin ruJU pellucidit 

 oriiatd ; spird coHoided ; aii/racliiii/i quatuor ad i/uiii- 

 que, coiwexiusculis, ultimo medio obtuid angulalo, infra 

 angulum faacid laid hi/drophand albidd aignato ; co- 

 lumella lividd, siiirecli deacendenle, nwdio tubinlorld ; 

 aperturd tetragono-ocali, intun plumbed; perutomaie 

 suiiiicrasaato, parum rejleio, livido-fusco, margine 

 stipero arcuatim dilatato. 



The Mindanao Helix. Shell imperforated, globosely 

 conical, solid, oblii(uely rugosely striated, obtuse nt 

 the apex, pale, yeUowish-brown, opake, ornamented 

 with variable transparent reddish spots ; spire conoid ; 

 whorls four to live, rather convex, last whorl obtusely 

 angled in the middle, marked witli a broad whitish 

 hydrophanous band below the angle ; eolumella livid, 

 descending nearly straight, slightly twisted in the 

 middle ; aperture quadrangidarly oval, lead-colour 

 within ; lip slightly thickened, but little reflected, 

 livid brown, upper edge arcuately dilated. 



SowERKY, Pfeiffer, Pro. Zool. Soc. 1842, p. 85. 



llab. Island of Mindanao, Philippines ; Cuming. 



Of a dull gloomy brown hue, interspersed with dark 

 chocolate-brown spots and dashes. 



